OpenTechnical

OT-2026-000085789

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000085789) never changes.

Identity and time

Publication numberOT-2026-000085789 · never reused
Internal UUID01a0ae99-e829-7fa8-8686-990fcc500534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085789
StatusPUBLIC

Content hashes

Canonical text7614e01f1d171fbb60d975d6e5886f5f6c9210ab48a7c44261e4c82e9b50175e
Markdownc6259f2620e10aa01ec3f48eaf73eae28dd8ccac9c0e607242475378cee082c5
PDF
Publication paged4a4615c537f6ae936d20863144aa2970a2e2b40791a0ec97f0cca3699cd5276
Manifest7778e821ef67775ec3c278144c7ac22072f76d3fcfff8c1fa7c32ec32bfa2a07

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
Signaturena0QkmOR3cPKCMDfwp+t1TamIYPMlazzTtxqGWqJOi9Dno3cn5kaMwVdiFD/kwUci/1eACRwF3mH28r1hxwvDg==
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

2026-09-17T09:52:41.207676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085789
observed d4a4615c537f6ae936d20863144aa297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.190765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085789/manifest.json
observed 7778e821ef67775ec3c278144c7ac220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.171589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085789/publication.md
observed c6259f2620e10aa01ec3f48eaf73eae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.154450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085789/publication.txt
observed 7614e01f1d171fbb60d975d6e5886f5f...
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.