OpenTechnical

OT-2026-000082371

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000082371) never changes.

Identity and time

Publication numberOT-2026-000082371 · never reused
Internal UUID01a0ae97-4d96-71a9-97bc-e94f37bbe851 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082371
StatusPUBLIC

Content hashes

Canonical texta902bd2fc95e54f89d92c8c83158e9056d85151f0f4eedf4f30ca41bf1bf907e
Markdown48db102b7387ee0f3ab8634e3f66f5a43f62c5ba50313072a7be7e0eb0776f6c
PDF
Publication page6a75cdd3f5d493577880ef725f6c6857dc4f55273bdd3b983a674936ae95959c
Manifestb37cc0cf2b8e7430d0c12e7d4f8df34b1026504b0d8c6c2d5133953c87a82818

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
SignatureW1Jotl6E7nRyR3VqPv6cQiINwrNDpewUzhc6N0MNkatSUgmby0kyTAUKuXT9RF/ogKvFdrwNC4ZE8RAFAcuWDg==
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

2026-09-17T09:59:14.937770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082371
observed 6a75cdd3f5d493577880ef725f6c6857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:14.920709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082371/manifest.json
observed b37cc0cf2b8e7430d0c12e7d4f8df34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:14.902131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082371/publication.md
observed 48db102b7387ee0f3ab8634e3f66f5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:14.884930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082371/publication.txt
observed a902bd2fc95e54f89d92c8c83158e905...
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.