OpenTechnical

OT-2026-000084267

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000084267) never changes.

Identity and time

Publication numberOT-2026-000084267 · never reused
Internal UUID01a0ae98-5b60-72f3-8043-53c8624948a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084267
StatusPUBLIC

Content hashes

Canonical text2e98b17b950d4634122213672868548cda143df9c02bd1a565c9bb24b705b7cd
Markdown1ff96f6c320a06c45e5df53d2c1effd6fea12406f6d475ae704a0afe49663a0c
PDF
Publication pagefe014785c5fb9ed1c5ab3afca8ff145b67b96b5ebffd58cdb0ac0f2dc948e91b
Manifestb788392eec85aea97e5bffc2ae69779a24e621b4a690264add4bfecef8cffc24

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
Signature26VtIWqG0I5UfEH5v16AN7oGlMreKzs83ThpTlaGU1Wty/4QSbwF5PUwGmiBYdQ4/HCnKaAb6MLdMyE8ZI7cAA==
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

2026-09-17T09:56:10.167178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084267
observed fe014785c5fb9ed1c5ab3afca8ff145b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.148510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084267/manifest.json
observed b788392eec85aea97e5bffc2ae69779a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.106229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084267/publication.md
observed 1ff96f6c320a06c45e5df53d2c1effd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.058126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084267/publication.txt
observed 2e98b17b950d4634122213672868548c...
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.