OpenTechnical

OT-2026-000054870

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000054870) never changes.

Identity and time

Publication numberOT-2026-000054870 · never reused
Internal UUID01a0ae86-1285-7cfd-983d-cb56d991ef9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054870
StatusPUBLIC

Content hashes

Canonical text043a7a2237f8a15acb9e33abca74fd9dca46e74d1f84bbf1df495779e7ed1095
Markdown5872cab1dada272ecd311ca9b6246fb8cc1c57845b896bf84f822bd166eb0390
PDF
Publication page6551abab5f71a1af5986cee26f6a097a0d3a534cde811d248cccba48f4516c6a
Manifestf23e19137243ca365d63ef64213c4dbfbef54faa557f9a5049f89ffe0fc4c568

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
Signature2fkLRxRaFqcBX/an0h+MgDVQVDYqmug20t6psU7o4be8DGUi4azN5ha6j1KbF9z9s8N7A+2ytPGhQrtwMW2+Aw==
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

2026-09-17T10:54:05.614507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054870
observed 6551abab5f71a1af5986cee26f6a097a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.597668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054870/manifest.json
observed f23e19137243ca365d63ef64213c4dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.580860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054870/publication.md
observed 5872cab1dada272ecd311ca9b6246fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.564643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054870/publication.txt
observed 043a7a2237f8a15acb9e33abca74fd9d...
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.