OpenTechnical

OT-2026-000083440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000083440) never changes.

Identity and time

Publication numberOT-2026-000083440 · never reused
Internal UUID01a0ae97-c964-71d2-ba48-94a6783a579f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083440
StatusPUBLIC

Content hashes

Canonical text9be5c554fdf24bef7fbce0c4248a89ed5c8a98b7216fd631da8880849ca02a08
Markdownc0d2f35f518b8fb5068e412498661d9856be3e4d2c0399577c4fea42170c686a
PDF
Publication pageeb050b045c3f872ce44e32225cfddfccd1a83a43ce03517da5cb4339e75e0276
Manifestce691d734369c9e87a01a09786329391a49aeadc04160c2c3385193c20ac1d8b

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
SignatureltsiYVl9Lug3mLMFOLxlr9ZLhlZan2T7pKwoFOkaKjC8VkcAECCGvs6Pb1mR4tzD2qmBz1L+/mbO3L8+O5GABg==
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

2026-09-17T09:57:51.568484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083440
observed eb050b045c3f872ce44e32225cfddfcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.552861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083440/manifest.json
observed ce691d734369c9e87a01a09786329391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.530762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083440/publication.md
observed c0d2f35f518b8fb5068e412498661d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.513453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083440/publication.txt
observed 9be5c554fdf24bef7fbce0c4248a89ed...
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.