OpenTechnical

OT-2026-000099710

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099710) never changes.

Identity and time

Publication numberOT-2026-000099710 · never reused
Internal UUID01a0aea2-c977-70f6-a3fa-45a676274d4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099710
StatusPUBLIC

Content hashes

Canonical textb3690cb34dbc6d9f1d2d5f3ef974222cc065289b809841099d72fba7bcfa4c00
Markdown0d2806661a3e4d79f4b95f0dab369d84abf11548b6a4f5378bf902d9fbd2c6f3
PDF
Publication paged6d8d0d77022b7232ac2b2de2a34aedc453c8e378a580cdc8fe1b6ac61111270
Manifest6b536a63de7fbbeff5f69a7eeaf146ac8b837be839e20bab19e0fbe76b955cf1

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
SignatureoG4pw3vU8vlv4HEkKtBCcobBzcIT9TAzqchc2avSetgTkNRgqW6lCRXHJbT9LMZTrIO5s9A0fkJmqEkAPiuFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:43.593847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099710
observed d6d8d0d77022b7232ac2b2de2a34aedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.578748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099710/manifest.json
observed 6b536a63de7fbbeff5f69a7eeaf146ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.562327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099710/publication.md
observed 0d2806661a3e4d79f4b95f0dab369d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.544322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099710/publication.txt
observed b3690cb34dbc6d9f1d2d5f3ef974222c...
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.