OpenTechnical

OT-2026-000055071

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000055071) never changes.

Identity and time

Publication numberOT-2026-000055071 · never reused
Internal UUID01a0ae86-5e81-75eb-8f1a-fb630c2f9b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055071
StatusPUBLIC

Content hashes

Canonical texteb70e5fccac138c5681cb12d082b5eeda54b2363f24b0a0433637971a4dc1076
Markdowncfca536ab58dac9b3d4b8ddf1680d225377d1f0ee384b2803c1255e8542c3793
PDF
Publication pagec14c53b52f99a3585c67add34abe57c5190895d3678dd7a025964045ba4b0123
Manifest2299af18cf428c1d223cc985a8b7a1274e1e81e13d779ce3affd448e683485a0

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
Signature2y92a3Et1dqZC0kGxqxLUi3V0zXxSn6s0/iLIiA7AuVaQdC//orhN5NymwG9BSEtXQjRgGaep/5iMlsA3b1ZDw==
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

2026-09-17T10:53:13.352933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055071
observed c14c53b52f99a3585c67add34abe57c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.334296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055071/manifest.json
observed 2299af18cf428c1d223cc985a8b7a127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.316591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055071/publication.md
observed cfca536ab58dac9b3d4b8ddf1680d225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.298763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055071/publication.txt
observed eb70e5fccac138c5681cb12d082b5eed...
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.