OpenTechnical

OT-2026-000079350

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000079350) never changes.

Identity and time

Publication numberOT-2026-000079350 · never reused
Internal UUID01a0ae96-0b90-7020-99f6-edd42f98fc42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079350
StatusPUBLIC

Content hashes

Canonical text8c19b53d32087b2e324d6e42ae70c24f889a316bea03ef85a243aa5de414ab17
Markdown518762b546bd7eb8149ac9e5d76fcfa48c6c07bb07d0f7a23b4a5d50760920a8
PDF
Publication pagef2acc049237a67181da5fab88f134d71181bf9a86b0ee2790389e9023a13c901
Manifesta7fcf30ac438e489b0862909cfdc2ef4e4807d0b7db6d7a34dab6d720130f577

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
SignatureDOc5IvOHQn4BMoxQmaoGX7ApwRZN03NSN2lVWr6O3tcLryIxKWNCLNA5F5PElpwWoEJWDk83ZAS+E5DW/Lw+DQ==
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

2026-09-17T10:04:57.974033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079350
observed f2acc049237a67181da5fab88f134d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.953911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079350/manifest.json
observed a7fcf30ac438e489b0862909cfdc2ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.935070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079350/publication.md
observed 518762b546bd7eb8149ac9e5d76fcfa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.916949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079350/publication.txt
observed 8c19b53d32087b2e324d6e42ae70c24f...
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.