OpenTechnical

OT-2026-000067822

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000067822) never changes.

Identity and time

Publication numberOT-2026-000067822 · never reused
Internal UUID01a0ae8f-c4fb-70d8-9e10-691e4abc85e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067822
StatusPUBLIC

Content hashes

Canonical text73218af330c0a49e4c9c9dad8e225f36515b1eb0bef629ca71a5783d0d9bb283
Markdown61a8e636993bdae42a33bf8b5fc0d5c0d0651211c37f4a29b352d36d7377e9ec
PDF
Publication pagef96abaffa77463df91add9450ff4ca4ad5fe29c9988dd38ded60f80d6867c63d
Manifest7ab96740ab5bc99084f41bb1b488355341b59e89ee895db07c80b5ebb35f7ff2

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
SignatureYWEsewYcLoJ+y6nTHTQyfRKrg/MfRzcULhxtepgUxWZFYGw3ogqsXte21ltaOrJmOQpLRZ9v+A4k/9GvZDRnDg==
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

2026-09-17T10:30:04.226896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067822
observed f96abaffa77463df91add9450ff4ca4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.208367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067822/manifest.json
observed 7ab96740ab5bc99084f41bb1b4883553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.187537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067822/publication.md
observed 61a8e636993bdae42a33bf8b5fc0d5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.169495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067822/publication.txt
observed 73218af330c0a49e4c9c9dad8e225f36...
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.