OpenTechnical

OT-2026-000069979

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069979) never changes.

Identity and time

Publication numberOT-2026-000069979 · never reused
Internal UUID01a0ae91-1861-7761-9c01-905e381661e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069979
StatusPUBLIC

Content hashes

Canonical textc04cfcc58cf6adead320537d2b2bd8892892eb1440155cacd3ba789e102de503
Markdownc1bf9603b655e7449a30855f2b865f7f3189e3f940d598f6c3fa2208d16e8491
PDF
Publication page7d7abbd945e42da84efea0c4dc8d6c791aabae0bf6380c0f7d688670404911a7
Manifest87b8cff5d45bd220301d0e7765b72c94fcdfb4dbc9cb89af0efc116ce778f0b8

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
SignaturenUixr/fGO0ThKrda/M4nTMUx77JxGvXFHNxfyFeYHj1dwMUlTecY++GjQ15rOXMIHiW5jFwoK51V19c6idlZCQ==
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

2026-09-17T10:26:55.365954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069979
observed 7d7abbd945e42da84efea0c4dc8d6c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.349649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069979/manifest.json
observed 87b8cff5d45bd220301d0e7765b72c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.331378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069979/publication.md
observed c1bf9603b655e7449a30855f2b865f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.313137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069979/publication.txt
observed c04cfcc58cf6adead320537d2b2bd889...
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.