OpenTechnical

OT-2026-000089299

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000089299) never changes.

Identity and time

Publication numberOT-2026-000089299 · never reused
Internal UUID01a0ae9b-db01-71f7-95be-6490345c1a01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089299
StatusPUBLIC

Content hashes

Canonical text259cb4d4269743540fb477e45ce8e9ee28dc799f604ac0237bbfac1b7eeb7bec
Markdown7b72bacb5cff1af8f1afd7ff45bd9dc6f00e2bedfc501c916f72ada42b39de93
PDF
Publication pagebbd77603fe3c7782b11b14ed824e8e3157b99ccecec6c708616b6aa2b8915c0f
Manifest5f427c00c453f76682edf5d6e6ca447096299484c75bbf9938030980616f40f6

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
SignatureW9V1XlU0ZUU0pKJ9Wqu0dWH7F1w07mSfB5kIHiFVVTgdE2e4kiDAgBKaeuiwIIId0SfbKb59BEsRCa8O/kumBQ==
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

2026-09-17T09:47:20.935558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089299
observed bbd77603fe3c7782b11b14ed824e8e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.916917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089299/manifest.json
observed 5f427c00c453f76682edf5d6e6ca4470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.896066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089299/publication.md
observed 7b72bacb5cff1af8f1afd7ff45bd9dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.877130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089299/publication.txt
observed 259cb4d4269743540fb477e45ce8e9ee...
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.