OpenTechnical

OT-2026-000077793

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000077793) never changes.

Identity and time

Publication numberOT-2026-000077793 · never reused
Internal UUID01a0ae95-2ed0-703c-b2a8-7e4f99645d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077793
StatusPUBLIC

Content hashes

Canonical textc730cf96e055c2ffd04202328f299cfdd4d3296c9ecc7092d4cd95a7a50c4802
Markdownc38e901d71756c087f7f92cbba979ca77c0364df2a831da1453d1e5291f6357a
PDF
Publication page40c147c152479153c8028eff0bd38b15b86ad8bda97a7bae3ba7b5c8b4d418c4
Manifest09c17460b7ec1100fbbb90b571d3f5b186f7790ff0eaa68053d7c0308a65b20e

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
SignatureEQE3p2UgJqHTi+fGZcRkq0Zu2rZPL/y28OnRoyfNVwC36/v0Yy6ANh+S/phjXMjEzzI2wOtEZjkU20TxiE/aDg==
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

2026-09-17T10:07:22.848655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077793
observed 40c147c152479153c8028eff0bd38b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.830191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077793/manifest.json
observed 09c17460b7ec1100fbbb90b571d3f5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.811858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077793/publication.md
observed c38e901d71756c087f7f92cbba979ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.793155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077793/publication.txt
observed c730cf96e055c2ffd04202328f299cfd...
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.