OpenTechnical

OT-2026-000039701

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000039701) never changes.

Identity and time

Publication numberOT-2026-000039701 · never reused
Internal UUID01a0ae78-d8d5-793b-86da-743d6f7ba220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039701
StatusPUBLIC

Content hashes

Canonical text78771df437406a4e2ff8d75bcdde47f07df9db92abb4cea722e8f18ca2281509
Markdownb443d0776e93f6e07820c9c9992723723c3a8160f862b1b2322bc0922e0e733a
PDF
Publication page1768ebc8239b7ce1dcf1b3f5b68b3660644b5e6ae13fc9aa4d611e177a525b9d
Manifest13119518191eb139b87ff686696d8fb1a7e1bccb0736c4182305e7b87dd7e80f

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
SignatureKbmdMAMVEZRaZzs4KQ/4agwxMiMC55z/CF0Z8Ee8FR+MYlZ8bfzHRNrf3mfGc9VwXYKBnKQ+khOBX0HxL/oiDg==
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

2026-09-17T11:19:53.812420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039701
observed 1768ebc8239b7ce1dcf1b3f5b68b3660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.794639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039701/manifest.json
observed 13119518191eb139b87ff686696d8fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.776892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039701/publication.md
observed b443d0776e93f6e07820c9c999272372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.758414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039701/publication.txt
observed 78771df437406a4e2ff8d75bcdde47f0...
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.