OpenTechnical

OT-2026-000049339

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049339) never changes.

Identity and time

Publication numberOT-2026-000049339 · never reused
Internal UUID01a0ae81-1350-70a4-8abf-e9c1a59ef341 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049339
StatusPUBLIC

Content hashes

Canonical textf01feed7f81e8932ee752d6d50f08e647158b367e5f4f46443bb519797bf244e
Markdownef51010e4f9a04d10b576a2b4b51f1e23ef53aaf69197d62f7b1913e9f1e8340
PDF
Publication pagea451ee3b344a422e9ff73d77e0a5c8c1a8698d4550ebc8b7c998ef5464c0c308
Manifeste7e57e407172392b1caeed1dba113c413854232a39f421e3aeb44cc721115c98

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
SignatureH4CP4fyTpLs9D2aUOsMr9M62kd2I4w0UqWxy/Rng8v9luzVoQbJDWKSUJ/l5UabjD/WyBgitvYNM5WoSsh73DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:13.192932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049339
observed a451ee3b344a422e9ff73d77e0a5c8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.172390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049339/manifest.json
observed e7e57e407172392b1caeed1dba113c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.151857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049339/publication.md
observed ef51010e4f9a04d10b576a2b4b51f1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.128719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049339/publication.txt
observed f01feed7f81e8932ee752d6d50f08e64...
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.