OpenTechnical

OT-2026-000057365

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000057365) never changes.

Identity and time

Publication numberOT-2026-000057365 · never reused
Internal UUID01a0ae87-d5bd-736b-ad5d-d45431c95654 · 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-2026-000057365
StatusPUBLIC

Content hashes

Canonical textd2190310319811066604916691e54cf3b6eeaf47644ccd47c98e9d3525701b27
Markdownfb2e2449a0c0eb628a01db859235bb8c88efe3db649abeab9465a0321d39a249
PDF
Publication page3862e33260c8cd605f732710cee5616185f1910dc10dc5feee1f7947e3598107
Manifestd132a8b93083e8579b4093c0ed72bf1d253f35f521577fb8b55f406830b98056

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
Signaturenz/3TdU7jIHEg0UmG85Au1bPBENs/IfL11ZE9ME7EWnJqyggKr+umcTwI5GGT91LnJeNaOQL+br4s8M6lVQNAQ==
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

2026-09-17T10:50:29.598539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365
observed 3862e33260c8cd605f732710cee56161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.580073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365/manifest.json
observed d132a8b93083e8579b4093c0ed72bf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.562922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365/publication.md
observed fb2e2449a0c0eb628a01db859235bb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.545230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365/publication.txt
observed d2190310319811066604916691e54cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.760370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365
observed 3862e33260c8cd605f732710cee56161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.743606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365/manifest.json
observed d132a8b93083e8579b4093c0ed72bf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.726448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365/publication.md
observed fb2e2449a0c0eb628a01db859235bb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.709995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057365/publication.txt
observed d2190310319811066604916691e54cf3...
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.