OpenTechnical

OT-2026-000100752

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000100752) never changes.

Identity and time

Publication numberOT-2026-000100752 · never reused
Internal UUID01a0aea3-66f4-76ab-abfc-d9c3871812bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100752
StatusPUBLIC

Content hashes

Canonical textd5f5b004196d104f1ae4a52539c81956f2bf18b1ee322dd4ec8cba0c1ab26e48
Markdown74ad726b6a3a608ac9f0f2f48474562856b0b563b647dd8fd9d632761005f3de
PDF
Publication page78bba5f6e65e5d44f9f2b305c9e65d71eab6de4dadf84eee14ac540a89f50a72
Manifestee80d3107b94068ecf1c23d8db67c2347b2f7193db465cee1b175081fd7d33be

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
SignatureXdRm/oPr9MruhyT1Wlc5z47W7m2Qe8k50T1jjuNeVk2JcQRNE7weokDG5PU9jIupCZGX/BNjv/rHbP96JycPCA==
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

2026-09-17T09:27:35.279973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100752
observed 78bba5f6e65e5d44f9f2b305c9e65d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.262100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100752/manifest.json
observed ee80d3107b94068ecf1c23d8db67c234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.244918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100752/publication.md
observed 74ad726b6a3a608ac9f0f2f484745628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.225152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100752/publication.txt
observed d5f5b004196d104f1ae4a52539c81956...
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.