OT-2026-000061489
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, vented after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061489) never changes.
Identity and time
| Publication number | OT-2026-000061489 · never reused |
|---|---|
| Internal UUID | 01a0ae8b-7b43-7d93-b91f-ef6aba94ca4c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:46:11.808334Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000061489 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d761a4cdaf76da4a02dacf724ce0c1b664b21df3e062e273d4f8ecb1debbf2a |
|---|---|
| Markdown | 5efea6c0306bf5c4ca57842a6095c53704bd30caf72b13a114524cd6b1159f63 |
| Publication page | 06438c30c126d46f9078da78f01a8ac8996d5b8cd87c97f0e77e1b15ad1fcf05 |
| Manifest | c0f8f76b12d6299fa311c45a074d727fdfe55f728556e90a926c96966707347f |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | +q61hvRKEvLgLmusIxdbhxJRCxUTM7E/t2W544GtflNy93NEBygmNBfMgaAUO1WF82roKugy5yrnV+wPTGEYBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-10-28T12:41:04.004307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489observed 06438c30c126d46f9078da78f01a8ac8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T12:41:03.913272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489/manifest.jsonobserved c0f8f76b12d6299fa311c45a074d727f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:03.821191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489/publication.mdobserved 5efea6c0306bf5c4ca57842a6095c537...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:03.675498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489/publication.txtobserved 0d761a4cdaf76da4a02dacf724ce0c1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:41:50.923918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489observed 06438c30c126d46f9078da78f01a8ac8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:41:50.753441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489/manifest.jsonobserved c0f8f76b12d6299fa311c45a074d727f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:41:50.597068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489/publication.mdobserved 5efea6c0306bf5c4ca57842a6095c537...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T12:41:50.317802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061489/publication.txtobserved 0d761a4cdaf76da4a02dacf724ce0c1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|