OpenTechnical

OT-2026-000062517

Publication integrity record

Three cup vacuum gripper, three 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-2026-000062517) never changes.

Identity and time

Publication numberOT-2026-000062517 · never reused
Internal UUID01a0ae8c-0ac0-7a07-b762-f2a194f9a0ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062517
StatusPUBLIC

Content hashes

Canonical textaf681451adde4a154774918a093c4a71cb1df6339ca4c1a77a11ad76a08fa34a
Markdown20fa62ab9eabc006e4e3193651767191e4d8155994567fe3e3470473b77e6d53
PDF
Publication page0c2024aab1a8e33a52be3800cd1fa7a1d83132961033672377422fa4abb23db3
Manifest02142de617994f0037f7aee1a48d9017a4052046fa3134eefd3a07501aa0b6b1

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
SignaturePiE8GCa2Li6hoyaZ2nUeCSRogJ/vHaBNXGsixIJyanZpsHDeHcjFrdlg0IPPXGUp8uLx0Vd6JyHVWoaMSp3KAA==
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

2026-09-17T10:39:58.324309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062517
observed 0c2024aab1a8e33a52be3800cd1fa7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.305696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062517/manifest.json
observed 02142de617994f0037f7aee1a48d9017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.285737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062517/publication.md
observed 20fa62ab9eabc006e4e3193651767191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.266322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062517/publication.txt
observed af681451adde4a154774918a093c4a71...
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.