OpenTechnical

OT-2026-000074985

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000074985) never changes.

Identity and time

Publication numberOT-2026-000074985 · never reused
Internal UUID01a0ae93-ac2d-72f0-aadb-8ac67989edfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074985
StatusPUBLIC

Content hashes

Canonical text248973aa14ead0c060f03b53edcb7799b6504c0a6a413978a8f8edc7d9da50be
Markdownb6fa10c43753c062b3408d94156ecc9d494bb62ee42a396980b215a78e489078
PDF
Publication page21f95720a6d91b6b2f992a076560d3616cce25c43eca4aab631cd1ab7c30ddf7
Manifest9b0881a3f540e365cfa900f214edbdf178945fbb55604c7874540a8a1550280a

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
SignatureECeAxcFLjEoZ95+9+2ntdmlOdIlztxp4DhoyvUnAro7IqKpLNj51+W15y84nkNvX85dwQL513r25XjyXemIcBw==
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

2026-09-17T10:18:47.427440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074985
observed 21f95720a6d91b6b2f992a076560d361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.411099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074985/manifest.json
observed 9b0881a3f540e365cfa900f214edbdf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.392865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074985/publication.md
observed b6fa10c43753c062b3408d94156ecc9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.373383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074985/publication.txt
observed 248973aa14ead0c060f03b53edcb7799...
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.