OpenTechnical

OT-2026-000066213

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066213) never changes.

Identity and time

Publication numberOT-2026-000066213 · never reused
Internal UUID01a0ae8e-8dc3-7042-b7f3-d326e88aaaeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066213
StatusPUBLIC

Content hashes

Canonical text4e61424ff31b309d7ae3a36f5fee9492301e13dea3d18b39bffabf10c644814c
Markdown08aa7d69f4b7f2564bf197f2abab1e07cbec067510f0aa1807617a0d15cd5d9b
PDF
Publication paged8b486fe5daa75cc0a171117c6b908cb93c9d9796170bc79414e8ad77c4b2a45
Manifestddb3d10847f1d6626182b6a110257ef81e415dd966e0e5a36d215601b480382d

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
SignatureZSlv+J6EcrHRPayqazk5bmg6yplLNC/3FCoGthW0BXolX4OEpcJpkTOLubJoSgJiRxHHl1tB91oyT67dUf88Ag==
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

2026-09-17T10:33:22.429758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066213
observed d8b486fe5daa75cc0a171117c6b908cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.412457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066213/manifest.json
observed ddb3d10847f1d6626182b6a110257ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.395105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066213/publication.md
observed 08aa7d69f4b7f2564bf197f2abab1e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.375807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066213/publication.txt
observed 4e61424ff31b309d7ae3a36f5fee9492...
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.