OpenTechnical

OT-2026-000078499

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000078499) never changes.

Identity and time

Publication numberOT-2026-000078499 · never reused
Internal UUID01a0ae95-7c29-79af-a9a2-94eb3a34bb8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078499
StatusPUBLIC

Content hashes

Canonical text600229adbfa7eb11f5b3673fb4a0bc35e96d170a60abbe397a3e950b0c8a5935
Markdowna4c92278a95551851d17077f3df9b96c0374726e078d4edf13f3b3704e1a28e3
PDF
Publication page294dc637f869ec9f09fbfe3ead0c2bcf2cd1e611cdbf40374f32e5f540849552
Manifestfcec56bceb8e01edd82236f9f8d7e2a26534ccbfce8aa3a6589b7a7b4363e1bd

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
SignaturewjTIuXVMmHSDyx2rutYmxWP+0fvwvBjFL74lpWZG0M8xUqCs5WM+zkSpZLOOmhBjedgEXtV1Fcr9kgrD8PoDAg==
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

2026-09-17T10:06:30.644959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078499
observed 294dc637f869ec9f09fbfe3ead0c2bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.626746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078499/manifest.json
observed fcec56bceb8e01edd82236f9f8d7e2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.592460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078499/publication.md
observed a4c92278a95551851d17077f3df9b96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.558095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078499/publication.txt
observed 600229adbfa7eb11f5b3673fb4a0bc35...
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.