OpenTechnical

OT-2026-000095653

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000095653) never changes.

Identity and time

Publication numberOT-2026-000095653 · never reused
Internal UUID01a0ae9f-fac4-7c86-9efc-8364bb112913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095653
StatusPUBLIC

Content hashes

Canonical text94959d8d02dd428dbdb030b21dd7ea201c20ef7d6b55596b731fdb921059ef17
Markdown7cced90e35e2cd41783bf1a4059f7e9153675796191a6a89241975269ebf43eb
PDF
Publication page49174098311d26b2d9346845b1508c03143ae365c326229ad59d7e12ebc249cf
Manifest3b0519e053608b16b54f53b9f514fdafcebab423c492deb70e827dd97a73852d

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
Signature0Hqr8dh3qnmhzXzYN11vYuGHKkky2YEYpBnsNbJ0xDXlosKsh1uvB0MpoQ+nXGqZ9Er7PyYBj5xpb87QQFr7BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:07.228848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095653
observed 49174098311d26b2d9346845b1508c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.210495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095653/manifest.json
observed 3b0519e053608b16b54f53b9f514fdaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.192625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095653/publication.md
observed 7cced90e35e2cd41783bf1a4059f7e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.175944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095653/publication.txt
observed 94959d8d02dd428dbdb030b21dd7ea20...
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.