OpenTechnical

OT-2026-000057173

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000057173) never changes.

Identity and time

Publication numberOT-2026-000057173 · never reused
Internal UUID01a0ae87-d5ba-7e1d-98b3-6c353fe2cc4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057173
StatusPUBLIC

Content hashes

Canonical texte398b5a919045d77dfe5e0a992358b928b53bf0f1d9212bbd8a1641775798377
Markdownf33fc4473ecf45409c0610172301059b8ce631ff8790ef5228d478b2a6dd39d0
PDF
Publication page7daaa5ed345a628f225223e8ba64a24f5d0cef955e45ec78bbed656d2fc8c9dc
Manifest67538bb1ceb30e213b8ed78bb5065a07a783d7671a17a8f002c5d4d83d235643

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
Signature98CNxufTAXckUoLcVnuKv7EOOQvxkXvUC15NKi3datyFPZPrJE9ZCxUn9K9H4NWKb9KObFmSK+p/O0/LYJS7Aw==
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

2026-09-17T10:50:11.235562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173
observed 7daaa5ed345a628f225223e8ba64a24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.215312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173/manifest.json
observed 67538bb1ceb30e213b8ed78bb5065a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.194033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173/publication.md
observed f33fc4473ecf45409c0610172301059b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.174694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173/publication.txt
observed e398b5a919045d77dfe5e0a992358b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.537660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173
observed 7daaa5ed345a628f225223e8ba64a24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.519909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173/manifest.json
observed 67538bb1ceb30e213b8ed78bb5065a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.500246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173/publication.md
observed f33fc4473ecf45409c0610172301059b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.483588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057173/publication.txt
observed e398b5a919045d77dfe5e0a992358b92...
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.