OpenTechnical

OT-2026-000062553

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000062553) never changes.

Identity and time

Publication numberOT-2026-000062553 · never reused
Internal UUID01a0ae8c-0ac1-7617-b794-cd7324724d7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062553
StatusPUBLIC

Content hashes

Canonical textd2f0c9fcd74aa3f342c0d81351145af4aef34591b9d487353b50c6e2f84acdb4
Markdowndf96a476fcbbc7116200ec863918db5d1da706973b0c8dd1d5e464776d342f44
PDF
Publication page22c7a3d4c6a44a1853a76a04850d126bfbb319cdfdefb54ecb12370f13d89d05
Manifest149704c99ab3c4c263f834859272bfd377da0b27504f0771e34621da5eee530a

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
Signature680+pRYlhgIbxxV8QjY4k/89enAYZ2zwQ+xSK2c+Zz0Utq/dyZEzqhOkW7bhfZ07DEXbAaKWB6G2UzE7ykz0Dg==
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

2026-09-17T10:40:01.430965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062553
observed 22c7a3d4c6a44a1853a76a04850d126b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.407598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062553/manifest.json
observed 149704c99ab3c4c263f834859272bfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.388558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062553/publication.md
observed df96a476fcbbc7116200ec863918db5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:01.366732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062553/publication.txt
observed d2f0c9fcd74aa3f342c0d81351145af4...
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.