OpenTechnical

OT-2026-000045445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045445) never changes.

Identity and time

Publication numberOT-2026-000045445 · never reused
Internal UUID01a0ae7c-f76d-7302-8a30-e02ba871d522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045445
StatusPUBLIC

Content hashes

Canonical text9980be254537f9fbc7c4e05c3e693d77ff6a45c5a6b6755a735dca52ac4961be
Markdown46c9f26c81adfa0d5d05f74bb8ba906db5c837287952f2f1a406945f0f66872c
PDF
Publication page61b77947625a8355035f25d47451bd757cc43ea6e7f97677239a1dc4bbcf5452
Manifest9858021d8b0a5ab1b2a8f6bd7676646d718a47c982ab6a6a78fa76ca5dc53d8a

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
SignaturetrCiua/9ejbM39lQ+z5fjq5Ttuh1ml28w+xfjFKPxBIF7l3CrtU//t6nmNd2E76KUj/zBX4xuN37huMq7LqjDg==
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

2026-09-17T11:10:44.728627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045445
observed 61b77947625a8355035f25d47451bd75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.709727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045445/manifest.json
observed 9858021d8b0a5ab1b2a8f6bd7676646d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.690612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045445/publication.md
observed 46c9f26c81adfa0d5d05f74bb8ba906d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.670093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045445/publication.txt
observed 9980be254537f9fbc7c4e05c3e693d77...
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.