OT-2026-000052540
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000052540) never changes.
Identity and time
| Publication number | OT-2026-000052540 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-77a0-918c-cc1ebd588a73 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052540 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1e441962e1f9dc9a6f5a4d78614826b4fccc92863856c9fbe64ff7f2f633788 |
|---|---|
| Markdown | 0c281b531adc8539250d66fab6bbed8a2a8d13307a56335b13b938026a33a6be |
| Publication page | 0b5321ecb0e6876d783168b78b9dd50717e5bab1199faa1c1b7140d4e79a0c04 |
| Manifest | 77680a3e02126da7412c8a839a9f3496d98d8d7f8b585d47993fc3fb2388970f |
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 | gT4Bh6le6JroQMdy3p2aZ1TAJ5bf3e/s9IZ/i7koyJFKyZBf+Hvhj+nHH+FsgLGPkyn7kbH+7nDjKLOMjtx/Cw== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:11.406727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052540observed 0b5321ecb0e6876d783168b78b9dd507...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:11.390138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052540/manifest.jsonobserved 77680a3e02126da7412c8a839a9f3496...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:11.372174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052540/publication.mdobserved 0c281b531adc8539250d66fab6bbed8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:11.353701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052540/publication.txtobserved a1e441962e1f9dc9a6f5a4d78614826b...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. |
|---|