OpenTechnical

OT-2026-000099453

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000099453) never changes.

Identity and time

Publication numberOT-2026-000099453 · never reused
Internal UUID01a0aea2-c974-77d9-9412-afa675ea2080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099453
StatusPUBLIC

Content hashes

Canonical text8e2ace9a337edc340b088854c9501a5ff79ce4f6bf20770aa4f349eef1e89879
Markdown6ce462efe1833e2f28e37532bf9a1cf5da23ed967c3e670a0092c84019db3115
PDF
Publication page388405487cd4abcbfddeaafac4aec48caa16c1182a1920da28f27e48973bc5ce
Manifest9d866badafcd6ea13797c643011bff8358128e2e024c5f573672500aa71662a4

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
SignatureSfhlRwJfXLOKaQaHXXvJ3AuGcwlLEY72JTDJ7ekYUL98j2fmP77t0Xy8SUNr0EXX+14Q0WxHnRNjh7twcTL1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:14.147295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099453
observed 388405487cd4abcbfddeaafac4aec48c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:14.129917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099453/manifest.json
observed 9d866badafcd6ea13797c643011bff83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:14.110811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099453/publication.md
observed 6ce462efe1833e2f28e37532bf9a1cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:14.092023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099453/publication.txt
observed 8e2ace9a337edc340b088854c9501a5f...
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.