OT-2026-000001970
Publication integrity record
Suction cup assembly for a robot end effector
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-2026-000001970) never changes.
Identity and time
| Publication number | OT-2026-000001970 · never reused |
|---|---|
| Internal UUID | 01a0a679-bfc6-7834-a2cd-75bdc63d62bb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:51.943287Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001970 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10d30d78ce9aab76bdcbcb326f0cd9442e1dd1eb353945d37bffd7726caa2455 |
|---|---|
| Markdown | ad69802df821ea4c27a3330eb81e8b764f63dce57f1cea868e48df53c2230ce1 |
| Publication page | 6d7e534777651deb738004c1a63ee3980c2a94263d979313919abba043aa79cc |
| Manifest | 8b9ef5b69802df801fdd2b2e7848be7199e5f9435f9ec3c56895669afe5d6ca1 |
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 | Rm5tSb07Tg+HHJBkbzUOGtRFE5GrhK6LNqlAUDkyttJZNTtWi2/7uSWOz7Obq27WvpkWyOwlqvp9tsh7Fk20DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-19T04:41:59.138847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970observed 6d7e534777651deb738004c1a63ee398...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-19T04:41:58.897270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970/manifest.jsonobserved 8b9ef5b69802df801fdd2b2e7848be71...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:41:58.765503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970/publication.mdobserved ad69802df821ea4c27a3330eb81e8b76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:41:58.581706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970/publication.txtobserved 10d30d78ce9aab76bdcbcb326f0cd944...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:05.655156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970observed 6d7e534777651deb738004c1a63ee398...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:05.622130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970/manifest.jsonobserved 8b9ef5b69802df801fdd2b2e7848be71...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:05.609940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001970/publication.txtobserved 10d30d78ce9aab76bdcbcb326f0cd944...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|