OpenTechnical

OT-2026-000074225

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000074225) never changes.

Identity and time

Publication numberOT-2026-000074225 · never reused
Internal UUID01a0ae93-7178-7311-accf-1f3069198873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074225
StatusPUBLIC

Content hashes

Canonical text7db8599d3253a6e6c7abb255c6539ecbb24245d75e522eb4513b01f6a53ffa48
Markdown062cbc40b2b5905515276ef78edf7fcbad9d6310fc8aeb56bf6a15d6dc80b662
PDF
Publication pagef40b26ebbfa87660198048c2dadb95c95b939356b6cc815bac7b78e8ec4bbf35
Manifest5d80cd207f2be429413afbdf3d29d817703fff0527835244bf0265425c8411f6

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
SignatureALjgJUl5DGykpF7lypVgzuk3L8sJ5RfrdfnnJ5Ufct735blGV3ROBQkcMTsnW73BlU8fAa0NDFw9gYBHxukVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:05.358127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074225
observed f40b26ebbfa87660198048c2dadb95c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.340358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074225/manifest.json
observed 5d80cd207f2be429413afbdf3d29d817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.322318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074225/publication.md
observed 062cbc40b2b5905515276ef78edf7fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.303856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074225/publication.txt
observed 7db8599d3253a6e6c7abb255c6539ecb...
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.