OpenTechnical

OT-2026-000025249

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000025249) never changes.

Identity and time

Publication numberOT-2026-000025249 · never reused
Internal UUID01a0ae71-5fa6-7285-bea5-83cbf7cfbc50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025249
StatusPUBLIC

Content hashes

Canonical text9ca3ff0ea73cef1d3d78ac3d7349cb1fae7a1329f7bbc8c3909567d64d04c626
Markdown4604ce47b9147b712edf4c43b44eb2d2badedb2a8605cd6eb2210161ee98bd39
PDF
Publication page235787333aeccd6a8f5610e7f9304d35636390279b8b82f15fe10392e97b5eed
Manifestab3923b2d272ed65ec06153bc26c8e0c50a91d7254c495ff7f958b10f4dcb349

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
Signaturexm1R2YjEUKkKYbXHm1zZKrI3KbAetmPfMrZFSRYsknnoagjXh7a05Jyi6HoDw0DR1qhJp+2N9NaA4eE65nFPDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:15.302765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025249
observed 235787333aeccd6a8f5610e7f9304d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.285963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025249/manifest.json
observed ab3923b2d272ed65ec06153bc26c8e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.267649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025249/publication.md
observed 4604ce47b9147b712edf4c43b44eb2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.249728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025249/publication.txt
observed 9ca3ff0ea73cef1d3d78ac3d7349cb1f...
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.