OpenTechnical

OT-2026-000085549

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000085549) never changes.

Identity and time

Publication numberOT-2026-000085549 · never reused
Internal UUID01a0ae99-aaac-7e0d-8024-b4a97d40a45e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085549
StatusPUBLIC

Content hashes

Canonical text8d07cd5eac2226546cc2d17d47d57e5c4b6344ebd8e182dcec143174896cad93
Markdown8e53b79552b117e63ae5898aada9c30b036ebb54e5d8a6dcc32f6eb956a31baa
PDF
Publication page1799089059db9c43e8085294ae30be45e46a2cd90940486258e4c58bac7ce7fe
Manifestdbfea149999af1a556a3f19c02f37d96b0801adc7ee1dd1f6b43def2bd02ac96

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
SignatureWHC3V7ag0vWpI1WwrctdIQ0DAFZMJNz69ZLqNuYLDKrstzvHJrinTZUdv+T49n1RXdusSl37uSG8+ehv/4oyCA==
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

2026-09-17T09:54:22.120973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085549
observed 1799089059db9c43e8085294ae30be45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.105293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085549/manifest.json
observed dbfea149999af1a556a3f19c02f37d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.088463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085549/publication.md
observed 8e53b79552b117e63ae5898aada9c30b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.072484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085549/publication.txt
observed 8d07cd5eac2226546cc2d17d47d57e5c...
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.