OpenTechnical

OT-2026-000099777

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000099777) never changes.

Identity and time

Publication numberOT-2026-000099777 · never reused
Internal UUID01a0aea2-c977-7f25-b15a-4b00817e6a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099777
StatusPUBLIC

Content hashes

Canonical text5a06062abdabab8d64f1a551bad4e394427a3bbd51d339942a6b6cf1eddb7c1f
Markdownb73e57948ab45fb7632d05d745c3f3c7238457b73f99a71f48981cfd67f52666
PDF
Publication pagea52e73ecc7fb04b090612d1747a1a23bc97f8711e92d580beaed4982f5e218b8
Manifest2ce22ae9c659c5a44702548a5cd3ac087a32b9497abdbb8984cdb93c9b11ed2d

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
SignatureXG/8TAiIvmE6gRM/OxG9mIBFrPYMWnj3uOpCgEVzN0z8KSydgS2vjevlZOweLMsgbOKC9E7mvWDQUR3MZffAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:48.724267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099777
observed a52e73ecc7fb04b090612d1747a1a23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.704036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099777/manifest.json
observed 2ce22ae9c659c5a44702548a5cd3ac08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.684766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099777/publication.md
observed b73e57948ab45fb7632d05d745c3f3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.666925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099777/publication.txt
observed 5a06062abdabab8d64f1a551bad4e394...
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.