OpenTechnical

OT-2026-000057683

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000057683) never changes.

Identity and time

Publication numberOT-2026-000057683 · never reused
Internal UUID01a0ae88-2695-79b7-bf9b-57b3ee723b06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057683
StatusPUBLIC

Content hashes

Canonical textc90eabb32150cb1e9fc119e40c70861cb82fac254a4f3713e09fc18448b99afe
Markdown70e004d27c18c8c012da8f32dcb32e69c2b6a53faf11375638dda1a2d56df856
PDF
Publication page9b620e67ea8cf62fd69068c88597d692a020b732174ad842c3828e5916ccac75
Manifeste771ce2e5ec98cc39d4f0a18a5f325787950dffacf11f38da20956bd21338e1f

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
SignaturetCKAS/SEotsDIj1W2gxSQTztqzHgKXmgGQVDJp3Q+i9qBW4bHkG9w3e8HXgz047PvcZ5GfvBhe0JUEzpf5EYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:20.550964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057683
observed 9b620e67ea8cf62fd69068c88597d692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.530590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057683/manifest.json
observed e771ce2e5ec98cc39d4f0a18a5f32578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.511618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057683/publication.md
observed 70e004d27c18c8c012da8f32dcb32e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.490579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057683/publication.txt
observed c90eabb32150cb1e9fc119e40c70861c...
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.