OpenTechnical

OT-2026-000054993

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000054993) never changes.

Identity and time

Publication numberOT-2026-000054993 · never reused
Internal UUID01a0ae86-5e80-71fc-a3f5-93df00a1e623 · 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-2026-000054993
StatusPUBLIC

Content hashes

Canonical texta6a83407098f482f21d806019b521b0171884cc443f3e7f77fe31c229c5a5235
Markdownc78114ce7120c8daba303c1fa6f433dfc18d3e8c6464a6aad6655e4a9e176ab4
PDF
Publication paged1a6a95b9aeec4c4f97957753d7b5c740972d3527b2b1490c4c8362a38cccbcd
Manifestdedb5dd8ec5f8c6186b6ea53b28197cf15d0257a6f46fd0cf987bb55eb7ce0fd

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
SignatureOj0k41ypUXe8JOD3PTQzvei5sgwoofJXa7iyqmmsWbdy+e39m6oVqBaiEy939tmFKmO5HGOnXTQjP6/Z0Us6CA==
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

2026-09-17T10:53:07.346679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054993
observed d1a6a95b9aeec4c4f97957753d7b5c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.329248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054993/manifest.json
observed dedb5dd8ec5f8c6186b6ea53b28197cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.311540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054993/publication.md
observed c78114ce7120c8daba303c1fa6f433df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.294273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054993/publication.txt
observed a6a83407098f482f21d806019b521b01...
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.