OpenTechnical

OT-2026-000034306

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000034306) never changes.

Identity and time

Publication numberOT-2026-000034306 · never reused
Internal UUID01a0ae75-df0e-76b1-8f82-48335cceeb7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034306
StatusPUBLIC

Content hashes

Canonical texteee798577d03d616e95b50d8a62af07d7f57d3d3494403a3101ba496b4c66c00
Markdown966e06c3c989d68cdc3e18cfdc18ce6d07950ba838b3b12ca8ad240e963d7a8b
PDF
Publication page3c0da288ebd7372f64773115fa906294c36b3def3be25f5209e02babf8b3c19b
Manifest1760ad2fd1ce2f3cdc6a03bc960cf10b4500451a1eab0e88d89b8c176f15ea53

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturebJNiyRPN7gde/vwpAxd4e4cmd+xOMphbcooDBdLzc1blSD+W9Cx8ubWHbUtxU2MJSFRkQO0f4gz5nAwh2hjUAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:59.845175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034306
observed 3c0da288ebd7372f64773115fa906294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.826322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034306/manifest.json
observed 1760ad2fd1ce2f3cdc6a03bc960cf10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.808864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034306/publication.md
observed 966e06c3c989d68cdc3e18cfdc18ce6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.793729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034306/publication.txt
observed eee798577d03d616e95b50d8a62af07d...
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 archivePending 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 packagePending Custody packages are produced weekly.