OpenTechnical

OT-2026-000081883

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained 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-2026-000081883) never changes.

Identity and time

Publication numberOT-2026-000081883 · never reused
Internal UUID01a0ae97-0f76-795b-a55e-7ba88c2626ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081883
StatusPUBLIC

Content hashes

Canonical text2112090bac8acba1eb243e59e7e6189d57a892469e7c52f3bd074eea1dc6d092
Markdown2fb0f7ebd6bc9afadba40c7afcac9c61181ad3097232852836043e620f4aa8df
PDF
Publication page0a7b9f779e424513d864074ddf28a23397639fb364e44986cb62d27d5677fda9
Manifest805abc2fbc9ee50170f2055b83a83af1e3157eb1b37b9326a742c6914c0fb909

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
SignatureDU/s/hmx6R5HXN2DR824UFdHetOSi6K6e/oL2rzHw2eP1zCmwTq0UCcesyIWsgoepxJlE66Gpshkw/2A1+iiAA==
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

2026-09-17T10:01:00.251201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081883
observed 0a7b9f779e424513d864074ddf28a233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.233123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081883/manifest.json
observed 805abc2fbc9ee50170f2055b83a83af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.214738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081883/publication.md
observed 2fb0f7ebd6bc9afadba40c7afcac9c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.198058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081883/publication.txt
observed 2112090bac8acba1eb243e59e7e6189d...
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.