OpenTechnical

OT-2026-000069254

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069254) never changes.

Identity and time

Publication numberOT-2026-000069254 · never reused
Internal UUID01a0ae90-b528-7f60-b8e7-da984fb27785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069254
StatusPUBLIC

Content hashes

Canonical text8d4a2d2cc75e799e86635d19a912f3ce5865769333ae49f80bea01ab0964b353
Markdownd965e34eec5cf29497ff6de14c7fe38b0f59895f893f651f8704ae9ad8d9d444
PDF
Publication pagecc107441d6bc1a727bf0c119a553a133f4bd98223bf826d666acb2e7d9424b27
Manifest7d10126e610ed041e41921841fdc9873b9db7ba7bb563b0e5749589b507ddc36

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
Signaturetp+Z2QKzQUsI0J1JhIB2nwEpRR0qjantJdAJLYfeY450LZ8oy0dLSwXyEa813+sexs4dqEqcUCwZmNQrsCwlAw==
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

2026-09-17T10:27:19.844167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069254
observed cc107441d6bc1a727bf0c119a553a133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.824326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069254/manifest.json
observed 7d10126e610ed041e41921841fdc9873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.805449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069254/publication.md
observed d965e34eec5cf29497ff6de14c7fe38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.788715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069254/publication.txt
observed 8d4a2d2cc75e799e86635d19a912f3ce...
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.