OpenTechnical

OT-2026-000076539

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076539) never changes.

Identity and time

Publication numberOT-2026-000076539 · never reused
Internal UUID01a0ae94-6a71-78ba-b016-8e515c686668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076539
StatusPUBLIC

Content hashes

Canonical textffb683946117169d8eb4896bbe29621d6e151c4ae40182ad152c7c09c193ace4
Markdown5cc7681d0b8ad3c0a4e8373b69590e5a0af68c92aabde4f7e806f69da0c19a08
PDF
Publication page9b27759425a19d70048c04eea9a592c0923da3482af734667cd2f5d89f906c89
Manifeste38eb9f2f8b8e186cb0441fd677e6509ed70db9202b8996a3fd653043571aaf3

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
SignaturerFFy4aZOLRsni8uBNmrMDC80u+H+A3WE5NQO9ef67oJsRadIIWqHIq4SOPatZKsSvrawzvWukHk+V4fUcmQVBQ==
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

2026-09-17T10:12:47.739182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076539
observed 9b27759425a19d70048c04eea9a592c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.719338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076539/manifest.json
observed e38eb9f2f8b8e186cb0441fd677e6509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.698118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076539/publication.md
observed 5cc7681d0b8ad3c0a4e8373b69590e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.554521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076539/publication.txt
observed ffb683946117169d8eb4896bbe29621d...
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.