OpenTechnical

OT-2026-000088560

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line 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-2026-000088560) never changes.

Identity and time

Publication numberOT-2026-000088560 · never reused
Internal UUID01a0ae9b-8f0e-743d-8dea-43bd8ffc974b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088560
StatusPUBLIC

Content hashes

Canonical text15b74867fcb5836ccec523db2365aefd63ca8f7c74d581f5d012f7e7ef06cb2b
Markdownb0ac4d223c4e4d2a8b877c9748f722ddeea5c8c0cf9ed05b07debfca6d2fa7bd
PDF
Publication page630f1da3934ffe7de9d6a4e8f1c0bcae498df4d484c88ad66ffd2a8aeeb2b099
Manifest0bf5415d86493d62db7c9904e3f51f3bdcdb67a3511a8b382ead3407d70da90f

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
SignatureINRqHtyXknCHRmr1iPsQl32yQbUET6VZ0T8qo/S8qib2FHZXe7pScrmjtFpKr8izW4e80A1/ZZazhE1KrYejCw==
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

2026-09-17T09:47:44.466115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088560
observed 630f1da3934ffe7de9d6a4e8f1c0bcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.447787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088560/manifest.json
observed 0bf5415d86493d62db7c9904e3f51f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.389686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088560/publication.md
observed b0ac4d223c4e4d2a8b877c9748f722dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.336400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088560/publication.txt
observed 15b74867fcb5836ccec523db2365aefd...
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.