OpenTechnical

OT-2026-000074213

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074213) never changes.

Identity and time

Publication numberOT-2026-000074213 · never reused
Internal UUID01a0ae93-7178-7a07-8d71-755f801e2206 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074213
StatusPUBLIC

Content hashes

Canonical text436013779fce05a1630144aed19ec53fe5c88901d0dbaae88e2914c6c4a9ef0c
Markdown0308ded29e966aad45ece7fd2735d79da44b7be4c77ed427a123962540b73eaf
PDF
Publication page0d849c3343d429dd28cbb680bb6c15cf20e60b6faef9060a196fb5aff8a18ca8
Manifest5da1df05e5c793184cc5a34562d7ac6275b25a8ba339ac24ddfe4e39ed821ecf

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
SignatureJvfps72vqvKLPeVjjQA0Wr2W4q7NnqIiimYLRVKlm7vN+MyfMsqeM3aNIKqnZtY5YQWyF/b0UDSwYaAHUfsYAw==
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

2026-09-17T10:19:04.314700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074213
observed 0d849c3343d429dd28cbb680bb6c15cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.294435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074213/manifest.json
observed 5da1df05e5c793184cc5a34562d7ac62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.275150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074213/publication.md
observed 0308ded29e966aad45ece7fd2735d79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.253426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074213/publication.txt
observed 436013779fce05a1630144aed19ec53f...
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.