OpenTechnical

OT-2026-000032131

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000032131) never changes.

Identity and time

Publication numberOT-2026-000032131 · never reused
Internal UUID01a0ae74-f7a5-7ef0-915f-7a05964fee8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032131
StatusPUBLIC

Content hashes

Canonical text82d2a70f7dcedff0092c1d5d66689a53b862b7a838dbaa141ffa6edf71466b2e
Markdownd8b55f34ef5c5008f5377b22ee52905f4586b05fd0f1de4fb0bb0be3dcde2ea8
PDF
Publication pagec8bc13f83cd36a92aec53e9fc5dcbddd9b99da2391c97067db3d689d4ad40e5a
Manifesta3049d85eec643d73106c0379b61b85a9001756d567dacd96de4f44aa0f41c91

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
SignaturelwBlGwd9K57WmbbffoAlKnxG2h9XM39GUlGwLh1j1sIOqcpo7qq8Tvx8mtLthCUcUr+IKu7Zxns9+aLkzINmDg==
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

2026-09-17T11:34:26.984449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032131
observed c8bc13f83cd36a92aec53e9fc5dcbddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.966711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032131/manifest.json
observed a3049d85eec643d73106c0379b61b85a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.950060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032131/publication.md
observed d8b55f34ef5c5008f5377b22ee52905f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.926368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032131/publication.txt
observed 82d2a70f7dcedff0092c1d5d66689a53...
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.