OpenTechnical

OT-2026-000036311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000036311) never changes.

Identity and time

Publication numberOT-2026-000036311 · never reused
Internal UUID01a0ae77-01d0-75d0-ac61-cb3ba2dbdcd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036311
StatusPUBLIC

Content hashes

Canonical text211f68ccd691d65d0a235fc0cbdb0093b45a206eb0671bcbe83074e1c7ff5f1e
Markdown2aa71de608ebf8fb181f7d8e1aa1b1381b1e0b8bc6aabecabbe5d053b70c530e
PDF
Publication page0aa03329ddb5f67aa930b631b4d1e53fd074de2293867eb185348a1d7de73d64
Manifest3dd64ac678ade0431ee15e62fab27edde958225b238610f751153be3224f94df

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
SignatureYMlvrzGCeEd/kB9z70UJ5zoLtw8eI3tMb4bdrnxTo8i4UUPF59R8I/b7PxFZlPGF/xo3GfyCWiq2quEYtOUQCw==
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

2026-09-17T11:26:35.056617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036311
observed 0aa03329ddb5f67aa930b631b4d1e53f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.037604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036311/manifest.json
observed 3dd64ac678ade0431ee15e62fab27edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.017489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036311/publication.md
observed 2aa71de608ebf8fb181f7d8e1aa1b138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:34.998025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036311/publication.txt
observed 211f68ccd691d65d0a235fc0cbdb0093...
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.