OT-2026-000021883
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000021883) never changes.
Identity and time
| Publication number | OT-2026-000021883 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7332-8c62-9a7d076ce595 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021883 |
| Status | PUBLIC |
Content hashes
| Canonical text | a828b438bf950664141e2e679db1d4ca7faf126fdbe20445aae0ff122cd32413 |
|---|---|
| Markdown | 57f89cac95b9cdb871f3b7438803be4278698e10c0fb943f3d4f403a4b229914 |
| Publication page | b3404667f446638ed47a70c5ac1273be1c0df6df060d4e862ba39c37bef9e7d1 |
| Manifest | 41de9305268572c8fa95f74b9515d2215ef0cb36b3d4a67620f7629a7aa73f3b |
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 | swc7HSQCpCKJGeD+o2EQwJq9a0J2iBIu/+a99gczWLyGEVTkTEupIdFDHj/pM5HHapFcQgDyE08qL4Sk79xHBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:26.914075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021883observed b3404667f446638ed47a70c5ac1273be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:26.898632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021883/manifest.jsonobserved 41de9305268572c8fa95f74b9515d221...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.880506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021883/publication.mdobserved 57f89cac95b9cdb871f3b7438803be42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.864597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021883/publication.txtobserved a828b438bf950664141e2e679db1d4ca...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
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