OpenTechnical

OT-2026-000089736

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089736) never changes.

Identity and time

Publication numberOT-2026-000089736 · never reused
Internal UUID01a0ae9c-1a22-79bc-a049-3990a07a2fc8 · 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-2026-000089736
StatusPUBLIC

Content hashes

Canonical text65bff1af2e21f6120d38333ec7311e1232b9f8cee1818338cf0700d04ca4883d
Markdown5d5a90af44625d6abdfaa808fff3212a11c16c3aff454a982277a6c3caad8d1e
PDF
Publication page34c5dac6dc71f1f797af15cc6398dcc49e9b09f6a3e86bebf3eb332dcddd1e31
Manifesta215924f62a249ecd4ee1ba2fa302b107e88c44b7445c757fade6e386ac668ad

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
SignaturezxAvmKmBSgzqB2m5DS1UOut0OEjsCwqgm3//lYBQmN9ovgLuHet0CwmyWE57OrdyARH3Sx5+h/KD7DGFmaymDA==
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

2026-09-17T09:46:44.646988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089736
observed 34c5dac6dc71f1f797af15cc6398dcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.631026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089736/manifest.json
observed a215924f62a249ecd4ee1ba2fa302b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.613865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089736/publication.md
observed 5d5a90af44625d6abdfaa808fff3212a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.596819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089736/publication.txt
observed 65bff1af2e21f6120d38333ec7311e12...
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.