OpenTechnical

OT-2026-000055885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000055885) never changes.

Identity and time

Publication numberOT-2026-000055885 · never reused
Internal UUID01a0ae87-0a49-7346-bd64-efbaa5d792de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055885
StatusPUBLIC

Content hashes

Canonical text77dea1be2dc2d53ec61415311782343e7ac3db27df884717feeded0fcbf39347
Markdownfa8b5796fdb0ef4ed854b48d05546e095beb01e490b97fcf2a1ea77af528eb24
PDF
Publication page430129998046a693d96157c928595111c73226f81e8b12656daebe1ccf16257e
Manifest8a7de167070c5d34e16e479b2d108795db9e938a1f771c972d6ae09640cdbb1b

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
SignatureAQaIlEklr0L3yMnT06fwINUbVOIW9v6VVr9mNV38vFJBAw/LceE57BnlSbtO6z1/RMAe1iIiG8nBogQ6HAogCQ==
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

2026-09-17T10:51:17.347522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055885
observed 430129998046a693d96157c928595111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.330733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055885/manifest.json
observed 8a7de167070c5d34e16e479b2d108795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.312291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055885/publication.md
observed fa8b5796fdb0ef4ed854b48d05546e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.294933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055885/publication.txt
observed 77dea1be2dc2d53ec61415311782343e...
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.