OpenTechnical

OT-2026-000087853

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087853) never changes.

Identity and time

Publication numberOT-2026-000087853 · never reused
Internal UUID01a0ae9b-1aa5-74bf-a88d-158e87545e27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087853
StatusPUBLIC

Content hashes

Canonical text933c3033be769c8c3847378c2bf662c4ed83c41ddcc2dc4ef02e10cfecaa8743
Markdown8f8a502c37bbddd4763778925afbf7b1353a39c832583dd32c156f7f349f4e06
PDF
Publication page3d30e16895f2b69300d465318428756598f7c30a46c2c10ffa461214b0aecf2a
Manifesteb490667607c4e44a29e11794796fa1267150e07d617141f1d936fb0a87cc7e0

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
SignaturehOsMKtIWffWNo53zHquNS9KWpIKCVyZe/8kKHWCZ/3OAkJcnq+Cn2PclvkBfhPZXrx5E73pj6LgYhHRFNd2vCA==
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

2026-09-17T09:49:05.829645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087853
observed 3d30e16895f2b69300d4653184287565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.812637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087853/manifest.json
observed eb490667607c4e44a29e11794796fa12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.793993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087853/publication.md
observed 8f8a502c37bbddd4763778925afbf7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.774383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087853/publication.txt
observed 933c3033be769c8c3847378c2bf662c4...
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.