OpenTechnical

OT-2026-000055251

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000055251) never changes.

Identity and time

Publication numberOT-2026-000055251 · never reused
Internal UUID01a0ae86-a0ff-70b1-add3-2326a42ea67f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055251
StatusPUBLIC

Content hashes

Canonical textbaead332db5360a635106e0e664a7e0395fcc740cae848922a5aa8e383313eb1
Markdowna4f6341b88150f950f9483f9426c6e7ffd5d1cf2aa70c3899631dee3ba5edb0e
PDF
Publication pagec8f53264e3eea955102373aa7cddafd3ea2930fd616fb80611cf897f6eb0d8d8
Manifestc5d9cb9a2e9d61b1fa8c3b4191419f5331a985b6528e39e8ba2913139d2d18bc

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
SignatureLoioiKSPfxjZJDtDq+Meml67MeZpQt1CxSgMGziwr37j1hec31fcvbzPgplx0fRE1X6UmY4n0+QCmgivV+S5AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:50.283916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055251
observed c8f53264e3eea955102373aa7cddafd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.267217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055251/manifest.json
observed c5d9cb9a2e9d61b1fa8c3b4191419f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.248520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055251/publication.md
observed a4f6341b88150f950f9483f9426c6e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.231154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055251/publication.txt
observed baead332db5360a635106e0e664a7e03...
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.