OpenTechnical

OT-2026-000054063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line 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-2026-000054063) never changes.

Identity and time

Publication numberOT-2026-000054063 · never reused
Internal UUID01a0ae85-b3a7-7d32-82ab-98aa16967eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054063
StatusPUBLIC

Content hashes

Canonical textc0c3e4d8d6d9a25965a11119b042dc15c4b3725fd443b32193c381ed0d59fbad
Markdown88612ca71815743cc294fc672e3b582b12326cd610b47d5d39886debbe6a053a
PDF
Publication pagef3c6be8761b843c9cd7c4b75b6b72a8fb0475b38cb851b9c7dcf1f7c9b95898e
Manifestf5c83505ccb969911ed4a4d2fb5ac53a90df0ef87a458e6f0bf68f18f259acda

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
SignatureXpzsiBLpBmOl8r9CGejcaXp9QE+wFDwsY1yTw3tlzVgy7KOMUp9ZgA0UOuKAQ419ys+e8qp0v7lCiEITU/7KBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:26.345090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054063
observed f3c6be8761b843c9cd7c4b75b6b72a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.327329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054063/manifest.json
observed f5c83505ccb969911ed4a4d2fb5ac53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.305544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054063/publication.md
observed 88612ca71815743cc294fc672e3b582b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.280319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054063/publication.txt
observed c0c3e4d8d6d9a25965a11119b042dc15...
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.