OpenTechnical

OT-2026-000030486

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000030486) never changes.

Identity and time

Publication numberOT-2026-000030486 · never reused
Internal UUID01a0ae73-e504-7f41-9cbc-33a55303acf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030486
StatusPUBLIC

Content hashes

Canonical textffd3d3eb743e4f7ec218f7da9e5aa46dd7f90f92daa8545480160cd5851ff74f
Markdown20b28daedce37ad774707ab45ead15a3b72a9954e14361782de04db9163ee5e0
PDF
Publication page55fa0e4bd128678c29fd1f6f67a684c9866d44c168a632ed9c5f66874f8a78d4
Manifest51c67fe146bc87843935e9fcaef60045ad9f22d74ec06b619cc68070dea440c5

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
SignaturekgWcYeRVqHTpBXHSiGki20XPD/p/hb+BGWbOkEqz6XnC4BXekfzwqgbuDzEGGYgKPRrhj0uTOLcTUU0OieOjAg==
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

2026-09-17T11:38:20.297323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030486
observed 55fa0e4bd128678c29fd1f6f67a684c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.277613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030486/manifest.json
observed 51c67fe146bc87843935e9fcaef60045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.260488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030486/publication.md
observed 20b28daedce37ad774707ab45ead15a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.244357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030486/publication.txt
observed ffd3d3eb743e4f7ec218f7da9e5aa46d...
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.