OpenTechnical

OT-2026-000023320

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000023320) never changes.

Identity and time

Publication numberOT-2026-000023320 · never reused
Internal UUID01a0ae70-7268-7033-8fdb-3fc83df2addc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023320
StatusPUBLIC

Content hashes

Canonical texte1bb2a2d61006021b759428a96ae27d7fbc67459f394def32156ac6b6874c8d7
Markdownad75fff88e0ff318d51c992a88fa0a6a720ae9c69fc903592db57b4c651edc48
PDF
Publication page0cc9553548a32219043d9fea9b681baef23620ddf15e4fe25a4fee4905332020
Manifestd52c3c9eb739825eaa3cdabb7362ddec8f0fe9a93ebc202d7ade9348508a0a3e

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
SignaturepFz4SsRBSjQPAPAC+GjlB+dkTF/RWrdfQaiHyEj2YO4P1wZ0lwWFpDCpbBfMDdKG+EXRe8RqFPl2Yb/x/GLLDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:24.329469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023320
observed 0cc9553548a32219043d9fea9b681bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.312252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023320/manifest.json
observed d52c3c9eb739825eaa3cdabb7362ddec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.294923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023320/publication.md
observed ad75fff88e0ff318d51c992a88fa0a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.276231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023320/publication.txt
observed e1bb2a2d61006021b759428a96ae27d7...
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.