OpenTechnical

OT-2026-000009442

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000009442) never changes.

Identity and time

Publication numberOT-2026-000009442 · never reused
Internal UUID01a0ae6b-7562-71d6-9083-a17a349f23c7 · 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-2026-000009442
StatusPUBLIC

Content hashes

Canonical textaa12a6b07e3e7a79815539b60dcb14e376b3efaacb733add571dc1f9864dabad
Markdown1f4d58a6243374b85d97a3273bb55fd1f8937fe309a37f889fb6914fc7425b00
PDF
Publication page1fe0161f964130b1d106eec12a687fd1eb8fe54cd97054422586f10fce19dbd4
Manifest2628733c2197365d03d4a05557b91240cd1e291032f2ad125827572bf0656132

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
SignatureQ2LgTwC9Bj5fmThMJt5tuUA6GMaDzY61NFi5Hw6qoBYC1Ubwv/t2hShuoD3h5PHajEFrnzWp+za6anGO0/O8Bg==
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

2026-09-17T12:16:44.095429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009442
observed 1fe0161f964130b1d106eec12a687fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.078597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009442/manifest.json
observed 2628733c2197365d03d4a05557b91240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.059624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009442/publication.md
observed 1f4d58a6243374b85d97a3273bb55fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.041827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009442/publication.txt
observed aa12a6b07e3e7a79815539b60dcb14e3...
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.