OpenTechnical

OT-2026-000009539

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000009539) never changes.

Identity and time

Publication numberOT-2026-000009539 · never reused
Internal UUID01a0ae6b-7562-7d2d-84c2-01d655f4258c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009539
StatusPUBLIC

Content hashes

Canonical textf779115016635452024d6b3c9681f74ecd9b6cfc971f795183d9e6dd6b6e7416
Markdown7312ee2d3d405fc9435c81e671008a99b7adce3b78378fa93199ebd49ad89e74
PDF
Publication page285b97dded9e35b4ecf3b2c924a81bf0345811ad08f7b43a41adee0750257deb
Manifest1b2ca370ed20f23b58f9f164fb43e7dcae43106bd9b021725e2ec4caac28f104

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
SignatureaxMKVxo741zyM/CQ8gNDGKERk/KdPh1BWLf0z7Aw8t8un337kE8i4TeUYTxi/ewqexnPGAt8DH75U0VCSxi6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:57.674818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009539
observed 285b97dded9e35b4ecf3b2c924a81bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.654210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009539/manifest.json
observed 1b2ca370ed20f23b58f9f164fb43e7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.633260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009539/publication.md
observed 7312ee2d3d405fc9435c81e671008a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.612131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009539/publication.txt
observed f779115016635452024d6b3c9681f74e...
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.