OpenTechnical

OT-2026-000054128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000054128) never changes.

Identity and time

Publication numberOT-2026-000054128 · never reused
Internal UUID01a0ae85-b3a8-7aa7-9a1a-b5a47f9430cd · 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-2026-000054128
StatusPUBLIC

Content hashes

Canonical textc28d58aec7d1434cf8ff56fc64685f43e6260578c8a9b0d16b95ccf4c5742889
Markdowncaa6f24b1b2889c5d522048f49d7b80f21e627e60b30a57989e6694b85a9bdfd
PDF
Publication page64cb510bfe2a0a69f1911ed1360d3953cca9bea481acd5a2c7eea59ddd1f0734
Manifest8e7435446a4b1591812933c27e8615bbcc108b62a9806b8301e81ce0a21a8b80

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
SignatureF8PG/Qal0lDTNciWFkxBMxUcmuwQtL468gB7cb3MP6YKAUxHngZUjvo9l6yywDSdcmUvyOeg8QsMm82brD1qAQ==
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

2026-09-17T10:54:32.419826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054128
observed 64cb510bfe2a0a69f1911ed1360d3953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.400125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054128/manifest.json
observed 8e7435446a4b1591812933c27e8615bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.381230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054128/publication.md
observed caa6f24b1b2889c5d522048f49d7b80f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:32.362330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054128/publication.txt
observed c28d58aec7d1434cf8ff56fc64685f43...
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.