OpenTechnical

OT-2026-000089683

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089683) never changes.

Identity and time

Publication numberOT-2026-000089683 · never reused
Internal UUID01a0ae9c-1a22-7cd8-b378-817d3dfb3cee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089683
StatusPUBLIC

Content hashes

Canonical text2f7194deffc8e06e288038fca42d5f1c37f3f682002fd7151f24e84ae1b04f4d
Markdownc103c355fd94a3c1f0d11c3491305bed370363d3265a3533e0af888d016ece5c
PDF
Publication page34af88febf2fe81ba42ae5f52d29db8365c10117fc3edf2970e80945082a4bf2
Manifest4ca0872fbfba870d573d46cf8a1853274b92c2ce72981f33eba7540c13006e82

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
SignatureoZYGMgRR+hMazZurqpDWmz35sAyemoyd2mZbsEqtOXS7dDIzN5SKvZHuc28xYpkEOqmuo8NLav4NycYYsTUMCQ==
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

2026-09-17T09:46:40.836933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089683
observed 34af88febf2fe81ba42ae5f52d29db83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.818779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089683/manifest.json
observed 4ca0872fbfba870d573d46cf8a185327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.800481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089683/publication.md
observed c103c355fd94a3c1f0d11c3491305bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.780860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089683/publication.txt
observed 2f7194deffc8e06e288038fca42d5f1c...
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.