OpenTechnical

OT-2026-000074184

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074184) never changes.

Identity and time

Publication numberOT-2026-000074184 · never reused
Internal UUID01a0ae93-7178-7825-8786-0658d91493cf · 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-2026-000074184
StatusPUBLIC

Content hashes

Canonical text16392223a0974a24671a324927f47420862b4b9c5a5754318da786823bd6a47e
Markdownd321038e87d5f8f7ad9f6832333156d14f3031fc86985a6e89853a5aa35d8b22
PDF
Publication paged9515d55d8afcffee72ad0fd7eee5dd71421b8c57fd36577ca60e17c70fd5863
Manifest470637d25a8368369797e67bcc0c24add28cbcfac30d9e8cb5b14b598976de7c

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
Signature3a20rT1xEzr8xY6iFTh1WuICm+IfqLRCYplEco108Wax+i/xVuwOOkH3/ESTvYGrfb0VcLuc1sVZUNhV+ROODw==
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

2026-09-17T10:19:02.194608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074184
observed d9515d55d8afcffee72ad0fd7eee5dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.178655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074184/manifest.json
observed 470637d25a8368369797e67bcc0c24ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.162534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074184/publication.md
observed d321038e87d5f8f7ad9f6832333156d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.146180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074184/publication.txt
observed 16392223a0974a24671a324927f47420...
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.