OpenTechnical

OT-2026-000054070

Publication integrity record

Foam pad vacuum gripper, 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-2026-000054070) never changes.

Identity and time

Publication numberOT-2026-000054070 · never reused
Internal UUID01a0ae85-b3a7-7e92-9c99-01f1fa379d37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054070
StatusPUBLIC

Content hashes

Canonical textd478333f473a28833c3a0eef1a48c6fcae79c054e7df6766cb16416437fbf896
Markdown6059cf8ef1be91f18c2e443fd9fff7c196472d8408525c1b0420256febf325c0
PDF
Publication page2086a219575aa7a291463f703c06affdbfc6f8b621ee98f1235e2d0a327bfb15
Manifest565e35d1958ac205aac639a6024d374d9d74d120b9721b2d9f0b5a61009299e5

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
SignaturewcHrCYKyyhm21Nq1fPhPG/enXujiHvUGJKiGbYsf2Bjnms4G5x+5P5BnMQLM2M/sMdj1y5Fq1nol7bkzUHktAw==
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

2026-09-17T10:54:27.023736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054070
observed 2086a219575aa7a291463f703c06affd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.005298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054070/manifest.json
observed 565e35d1958ac205aac639a6024d374d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.985548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054070/publication.md
observed 6059cf8ef1be91f18c2e443fd9fff7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.966903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054070/publication.txt
observed d478333f473a28833c3a0eef1a48c6fc...
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.