OpenTechnical

OT-2026-000056081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000056081) never changes.

Identity and time

Publication numberOT-2026-000056081 · never reused
Internal UUID01a0ae87-0a4b-788e-8727-13062ef369ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056081
StatusPUBLIC

Content hashes

Canonical text112c4ba49446567ef36abd7a04ebf47fb5fe793c4e8d1d44bc2f60e23c017e73
Markdown7fc1d41ed5606b18c20b7751c3e75d0d4f6aad7753cd9d57d9a2c43f49e0c5ea
PDF
Publication page45437e49d58fc1bf6a0f6e9e1757183efa75120205a3815640846a2c9ec18967
Manifest9a571462facc5910123d6a2c6f6fd4065011f9eb8478c6f557c32e31310b41c8

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
SignatureNcDAl6q59eIWHQaFaAvKx2I2axGlyyrPLo6Sa9UmUm+BreebQ5PXUsqADriygWuzkPz/qOlYIAPQDSrzhq07BQ==
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

2026-09-17T10:51:37.066767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056081
observed 45437e49d58fc1bf6a0f6e9e1757183e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.046809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056081/manifest.json
observed 9a571462facc5910123d6a2c6f6fd406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.028052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056081/publication.md
observed 7fc1d41ed5606b18c20b7751c3e75d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.010529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056081/publication.txt
observed 112c4ba49446567ef36abd7a04ebf47f...
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.