OpenTechnical

OT-2026-000054930

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000054930) never changes.

Identity and time

Publication numberOT-2026-000054930 · never reused
Internal UUID01a0ae86-5e7f-7bb5-a7da-d2e7133be6ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054930
StatusPUBLIC

Content hashes

Canonical text1b1a335b32a00e273d5d951f1cf929779d886199aaecb090c19122859aecc1e2
Markdown66fd6f63d7959f19d3056d15f52eb27091e5d3cd4d236a08a41b692221f62fde
PDF
Publication page3878c93bde187e42145e2b2e9471aab28f10fd3a51bf939e82e3278c66de0edb
Manifest319dd3b4405df53fe2c1b29a5c4153f0c45568f94cbd459050f16fcf0c091952

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
SignaturenkHVWnC0x4RBvcErS6w1W0g+GO9yFx1YRSyoJSu4W3cbqhHUjvia73kC3tZmH47N1/SOMlv111jfc0hn8NetDA==
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

2026-09-17T10:53:02.021356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054930
observed 3878c93bde187e42145e2b2e9471aab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.004046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054930/manifest.json
observed 319dd3b4405df53fe2c1b29a5c4153f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.985653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054930/publication.md
observed 66fd6f63d7959f19d3056d15f52eb270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.968340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054930/publication.txt
observed 1b1a335b32a00e273d5d951f1cf92977...
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.