OpenTechnical

OT-2026-000085539

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085539) never changes.

Identity and time

Publication numberOT-2026-000085539 · never reused
Internal UUID01a0ae99-aaac-74e2-a7c9-5ac40a0d7126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085539
StatusPUBLIC

Content hashes

Canonical textba77b4b3bce799cc3dbaa982b4c06953ab46def005329852d0bc2387b23f17c7
Markdown27fe37adc57da77c097752c74f4b0960e6437e627b61611caebeddf467dd889e
PDF
Publication pagef261e3761a8f0385378d8b7f5b20984f9dcb7b9e710556864cc12e2210cbbf28
Manifestb14f680f103f2d0a1067ee0bda37b72415710471621ac9b6c1949abac60b689d

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
SignatureSLkIlF9NSCBsy3gxv6VTxNiYmE4/8UH5hzkrrFOcD6jKGDASwqRsfflMpYbg0f5smuu7KEKbHBAHSol5/1EmAw==
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

2026-09-17T09:54:21.415209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085539
observed f261e3761a8f0385378d8b7f5b20984f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.397463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085539/manifest.json
observed b14f680f103f2d0a1067ee0bda37b724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.378448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085539/publication.md
observed 27fe37adc57da77c097752c74f4b0960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.361217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085539/publication.txt
observed ba77b4b3bce799cc3dbaa982b4c06953...
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.