OpenTechnical

OT-2026-000020961

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000020961) never changes.

Identity and time

Publication numberOT-2026-000020961 · never reused
Internal UUID01a0ae6f-65e4-7c12-908d-7f25f2bc7ed0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020961
StatusPUBLIC

Content hashes

Canonical textd83c44312058acc7f97cf47fcb46e9e7147735d1d6245bafda353c67c57d57c5
Markdownf8dd69f44395804854b47d0e84da6a8b2635ab1f19ace34dcf7ee1dd8862899e
PDF
Publication page28b3030d436838e20ba7080bfb5fe29a6c678a6b3501870e99f94221730608b2
Manifestc63373c411dcfce75f84912f84d2eb1c091ac8249577aa1cd9b7911b613e6c02

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
SignatureQihaKir4Kp5NcEk8+U80TDzPUr13AKeOkuEzEOna9yHM+VB74yYZlyPpAGCiBpH4A95ACFbB5jW45IK8IuNKDQ==
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

2026-09-17T11:56:06.173826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020961
observed 28b3030d436838e20ba7080bfb5fe29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.156728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020961/manifest.json
observed c63373c411dcfce75f84912f84d2eb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.139703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020961/publication.md
observed f8dd69f44395804854b47d0e84da6a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.122083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020961/publication.txt
observed d83c44312058acc7f97cf47fcb46e9e7...
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.