OpenTechnical

OT-2026-000020098

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020098) never changes.

Identity and time

Publication numberOT-2026-000020098 · never reused
Internal UUID01a0ae6f-1fb8-758b-aedb-3c2304f286e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020098
StatusPUBLIC

Content hashes

Canonical text7db216669b158c3e75bde6df75fe656afc3f596dd286e12310e40f1e4b28fc98
Markdown714edd34ccdd51e320dd2fc2c1cdbc89fe3b8c0dc3b33d4927c65b9d4070e77a
PDF
Publication page5e17cdecf471bdc51588b6193334897aab0a09b7d74c787436f57ba8bc6fd7b0
Manifest14419c78b0db365d6385a24fb4bfcdf5a66328f47864b711ef5ffba9a5b3426c

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
SignaturexTwNFncPpKexi2jtuJQVB8vkaYWOqdDmEHSaGPlgAk/HO/UoXEaeluj2wc4Lg3y07TCgDQDHyrOzW2lqakkUCg==
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

2026-09-17T11:58:22.487036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020098
observed 5e17cdecf471bdc51588b6193334897a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.468112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020098/manifest.json
observed 14419c78b0db365d6385a24fb4bfcdf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.450439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020098/publication.md
observed 714edd34ccdd51e320dd2fc2c1cdbc89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.431724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020098/publication.txt
observed 7db216669b158c3e75bde6df75fe656a...
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.