OpenTechnical

OT-2026-000072589

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000072589) never changes.

Identity and time

Publication numberOT-2026-000072589 · never reused
Internal UUID01a0ae92-89d9-7535-9e39-7a9bed4caaca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072589
StatusPUBLIC

Content hashes

Canonical textca208682121841cc0d97029fb59bca9fd4876bc51f51e6d2d74974433aadcd50
Markdowneb1863d5ca2344a89566c18e0c833632d549448a8509b8e80e724b8388c85ca7
PDF
Publication page7596ebb715a464525ca6b7a4f31ff42adf532c75164d3178c9661e44f8f2bede
Manifest41ae57acb4dd8305a755a499249922767cd60521b7afbd192d150cc297822656

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
Signature6RiXa48VnfypPqs/kXzTq6fa9QFxlAwXe/fSagax4roPdHPhuKP5rxpJu3Yr74cZXyFaU6NibhVxERXePG2+Bw==
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

2026-09-17T10:22:25.968918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072589
observed 7596ebb715a464525ca6b7a4f31ff42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.950209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072589/manifest.json
observed 41ae57acb4dd8305a755a49924992276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.932992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072589/publication.md
observed eb1863d5ca2344a89566c18e0c833632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.914726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072589/publication.txt
observed ca208682121841cc0d97029fb59bca9f...
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.