OT-2026-000004256
Publication integrity record
Vacuum cup gripper, four zone face, four outlet manifold, pump fed, contact triggered, rubber cups
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-2026-000004256) never changes.
Identity and time
| Publication number | OT-2026-000004256 · never reused |
|---|---|
| Internal UUID | 01a0a912-b316-7e68-9bc9-15d663a1adcd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:10.137656Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18647ffd7a7585094baece8dd8b7ef16ee5eb85c0faf5a0cb27ed308ab0a8fa6 |
|---|---|
| Markdown | 6df0624e27b6b2c657e3965374050e62caf2b46a4ddb30b399c40def48add0de |
| Publication page | 3d55dd5d4261985bb59894e7c492beb6f95a24b0b76c0bf7d7bb5394f0c81380 |
| Manifest | ef261b44d2787826b4c9adbdc683e91dbcc3df219654890af10b0e95413607a4 |
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 | vieUZ4wHngF8IuKZGxMdiBUDDVWxTidm6HwBoB8VMfM19ITn74LjhamThWrqY3Ffr4efhTU8KbdmZF+pFtfSAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:18.487275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004256observed 3d55dd5d4261985bb59894e7c492beb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:18.472710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004256/manifest.jsonobserved ef261b44d2787826b4c9adbdc683e91d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.457892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004256/publication.mdobserved 6df0624e27b6b2c657e3965374050e62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.442798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004256/publication.txtobserved 18647ffd7a7585094baece8dd8b7ef16...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. |
|---|