OpenTechnical

OT-2026-000054414

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000054414) never changes.

Identity and time

Publication numberOT-2026-000054414 · never reused
Internal UUID01a0ae86-1282-7e0e-a800-99ffe95b9112 · 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-2026-000054414
StatusPUBLIC

Content hashes

Canonical text539996f45b04363af977c53d7d65315869fd2d2851306c444cf78e693b02cfb4
Markdown94ae9bf9943d1ffe6dd279ac5c5e3d0cf39580082304a2fe67d793afe62993ec
PDF
Publication page63a38f42211742f195473d4f5d8841a8148c6af85ad1f1dcd5f1e23ea4b9b485
Manifesta04632760dc07cfe7c64095b5d4db7b525650f42f04d0800c754d878ba037a01

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
SignaturenIZncZn4FBS49H814XcnhwOU+VUB3cwSTAQBn5hNQO3KkBma4XamBUQIYMOgir0SPRuJoY31GW/hbYKrTPbrCw==
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

2026-09-17T10:53:23.655333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054414
observed 63a38f42211742f195473d4f5d8841a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.639372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054414/manifest.json
observed a04632760dc07cfe7c64095b5d4db7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.622584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054414/publication.md
observed 94ae9bf9943d1ffe6dd279ac5c5e3d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.604460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054414/publication.txt
observed 539996f45b04363af977c53d7d653158...
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.