OpenTechnical

OT-2026-000008771

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, vented before set-down

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-2026-000008771) never changes.

Identity and time

Publication numberOT-2026-000008771 · never reused
Internal UUID01a0ae6a-e46c-7681-952e-80f7fe08cfb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008771
StatusPUBLIC

Content hashes

Canonical textc640874823ac1ee522a6ca784d54f7e4dd82dfb72458c605168624a19d5289a0
Markdownc0ef55aba8c2dd5ca19bb9e3589811f43cb07756a39bad1721284862ab1cfbba
PDF
Publication pagec5dd72312163327bbe9f0cd3af782561af7e522ee8855075ca2a6efe8e8d5f03
Manifest6d4b9d77907386357c0c01a41d5b3613383585eac2da6f4305f6d97fa4ff2300

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
SignatureYelxrjC0Zb8vYeW6RG6ZNKGHh52753Jv65akjV0R4OJ5Q4PuSarcY3cUI3LgBsBEg+QSFgVsMexRc+SsF+8ABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:52.246807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008771
observed c5dd72312163327bbe9f0cd3af782561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.229219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008771/manifest.json
observed 6d4b9d77907386357c0c01a41d5b3613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.212150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008771/publication.md
observed c0ef55aba8c2dd5ca19bb9e3589811f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.190498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008771/publication.txt
observed c640874823ac1ee522a6ca784d54f7e4...
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.