OpenTechnical

OT-2026-000074605

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000074605) never changes.

Identity and time

Publication numberOT-2026-000074605 · never reused
Internal UUID01a0ae93-717b-7b7c-b7b8-e5e6a9d959ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074605
StatusPUBLIC

Content hashes

Canonical text2baf80d789996b07a987c7c4b1281373e233aa7b5ce60c421cc64b13d4038781
Markdown89131bb62fcc7e26d176da5d33860167151df8d300c25dfe4add8bdcf3630588
PDF
Publication page3ff11d804a1d2c39f44c6c070267715554c42b4356b92e3d620a01b917088bdb
Manifesteb927dd9d9795beb644c2daeb045e2bf3bd06a53b99f8c638da0dafdc2a9d7cb

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
SignatureqLVSbZn48LrcLEFTQQogwQnlIpDAvzwwTEAYJHWjG4bH1nJ00lvCfA1TUOBDxAVB/iZp0zzykecmSXciLZLaBg==
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

2026-09-17T10:19:37.942193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074605
observed 3ff11d804a1d2c39f44c6c0702677155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.921998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074605/manifest.json
observed eb927dd9d9795beb644c2daeb045e2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.903592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074605/publication.md
observed 89131bb62fcc7e26d176da5d33860167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.886956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074605/publication.txt
observed 2baf80d789996b07a987c7c4b1281373...
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.