OpenTechnical

OT-2026-000102389

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102389) never changes.

Identity and time

Publication numberOT-2026-000102389 · never reused
Internal UUID01a0aea4-8589-7a1b-b8fa-269dac775301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102389
StatusPUBLIC

Content hashes

Canonical texte0aba88778ec26889220f384394e1273bb2640ff05794bfea6c7a0518fb1dc25
Markdown62e6fac0daa9ac61756ef03b737b708e5534cf05046766f1794eb56005b17afd
PDF
Publication page3de086e4c6205d46fa72ce4ffef59555ae056f4a4b7cbd887e9ac2bf2dc2f247
Manifest81ebb5c4a6a7938a9d85d226e017550536be292465d66f7cd327b324cf7618c9

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
SignatureAGrv3/Cx9WuLfQ95lUocYUEGgAbAL/LqT2/9WFncThodfVNE08tCV2gP7mOB/ed1XBVZ9iZ8H93O5MkWCcvnAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:43.685142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102389
observed 3de086e4c6205d46fa72ce4ffef59555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.667156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102389/manifest.json
observed 81ebb5c4a6a7938a9d85d226e0175505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.650170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102389/publication.md
observed 62e6fac0daa9ac61756ef03b737b708e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.631133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102389/publication.txt
observed e0aba88778ec26889220f384394e1273...
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.