OpenTechnical

OT-2026-000067754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000067754) never changes.

Identity and time

Publication numberOT-2026-000067754 · never reused
Internal UUID01a0ae8f-c4fa-7470-b60a-c1196284b471 · 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-2026-000067754
StatusPUBLIC

Content hashes

Canonical textabe98c2eb30bfe568d93a2e1142c553b95b5b954ee0f75235b8d56b096a2bc8b
Markdown65b10115cfcc24bdf7d9c411a54248a2ced267595f7fbc6ce9b8a5c151e3c0ea
PDF
Publication page1da25eacde604c5f898246756970d89497a55395e660619164ebefaac43ee34a
Manifest4f6b98380169d78c9590e670d599570406d11b189b630d6fd776ed69dbec9306

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
SignaturergmM2/4ode5MIUcQGU4A3AgZ9Ou//vMwEhPTtGJcCvGN4onu+aGH9AG+VaXGj555ek8xbH8Wyaa2Nv20MJftCg==
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

2026-09-17T10:29:58.799759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067754
observed 1da25eacde604c5f898246756970d894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.783188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067754/manifest.json
observed 4f6b98380169d78c9590e670d5995704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.766203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067754/publication.md
observed 65b10115cfcc24bdf7d9c411a54248a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.748422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067754/publication.txt
observed abe98c2eb30bfe568d93a2e1142c553b...
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.