OpenTechnical

OT-2026-000087670

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000087670) never changes.

Identity and time

Publication numberOT-2026-000087670 · never reused
Internal UUID01a0ae9a-cd54-746c-a5dd-101f711252ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087670
StatusPUBLIC

Content hashes

Canonical textaef4a4ae4948a36d67455d6bc3afa858dcdd1070d4950b1499db1556d6e7d091
Markdown9268af607438944a8927964448dfec9e3f8caceafcdbee8bf886b3aef7f00918
PDF
Publication page78529c5dd8f7c1fb741088732cbfd0e9786679041cfb2c450c72546a93750b4d
Manifest419327d21e8f2f7bbcefed7b8ab4384cd76686678d04aac60dc644235f2a3be7

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
SignatureMOUrPdNZeCS0ZYPwdGY9i8DraYhZFNcIffomRfvIZdldxQrEQLWmzXOpQjMcIt5ZbzJ7YQAdftaLIsmo96//Aw==
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

2026-09-17T09:51:06.978792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087670
observed 78529c5dd8f7c1fb741088732cbfd0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.961879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087670/manifest.json
observed 419327d21e8f2f7bbcefed7b8ab4384c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.945603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087670/publication.md
observed 9268af607438944a8927964448dfec9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.928741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087670/publication.txt
observed aef4a4ae4948a36d67455d6bc3afa858...
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.