OpenTechnical

OT-2026-000076579

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000076579) never changes.

Identity and time

Publication numberOT-2026-000076579 · never reused
Internal UUID01a0ae94-b06e-701a-a4ce-8de01cf47179 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076579
StatusPUBLIC

Content hashes

Canonical text2e4c9cdf359b2e53e3f779f9803e14958586518760cf6b0206a290b6f18d4e2d
Markdown16839271cfe2592199d6ab4c1fa4fb47728cbd51eabc1f74c27de8b566fa0e80
PDF
Publication page0cfc6636d544fc7691640e6dd7016a80bde02570a609b676e6626bde1986f797
Manifest6d09e8f04a83e8c44aafaca2f85f8dc8df33825d462c08fff891dfcbc0938dcd

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
SignatureE61bNUBySPuMajnvT3jaBjF2N3SUeu1fT0goYeKFFCwi97VzIxnPu0znQ5rNN+CkWFMD0NdO8kep5eOhw0k7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:18.060915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076579
observed 0cfc6636d544fc7691640e6dd7016a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.042520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076579/manifest.json
observed 6d09e8f04a83e8c44aafaca2f85f8dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.022913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076579/publication.md
observed 16839271cfe2592199d6ab4c1fa4fb47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.002923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076579/publication.txt
observed 2e4c9cdf359b2e53e3f779f9803e1495...
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.