OpenTechnical

OT-2026-000036199

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000036199) never changes.

Identity and time

Publication numberOT-2026-000036199 · never reused
Internal UUID01a0ae77-01cf-7038-a893-73a35c800bd0 · 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-2026-000036199
StatusPUBLIC

Content hashes

Canonical text78a7c075d065e1ab8540ce614e8ce9fbda346acec5417936b42ba15b315a5efd
Markdownb6d1706650d332f35d4e28bac77babb800d5ec1f4f9287ee4c54598f3861c9f4
PDF
Publication page62141a867657b42b698438bcdfdd1a424a2040cb7b8972bcc3bf07114836f0dc
Manifest5dd20d1d60e7506c8a37c4b921dc4ae253e1bf7aa16169e393f49914a32ca54e

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
SignatureyfPrqFYpWRN9OFRac+/Dk6NbJn07EzIMfNv0UY0c77LvMEtyLnNSqDdLikLgOpxkw6cqlSZeLjIsA0q90l0eDA==
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

2026-09-17T11:26:26.311718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036199
observed 62141a867657b42b698438bcdfdd1a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.292761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036199/manifest.json
observed 5dd20d1d60e7506c8a37c4b921dc4ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.273464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036199/publication.md
observed b6d1706650d332f35d4e28bac77babb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.255219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036199/publication.txt
observed 78a7c075d065e1ab8540ce614e8ce9fb...
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.