OpenTechnical

OT-2026-000017535

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-2026-000017535) never changes.

Identity and time

Publication numberOT-2026-000017535 · never reused
Internal UUID01a0ae6e-76ca-7ce5-9242-00beebad1356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017535
StatusPUBLIC

Content hashes

Canonical text58860245f04950bca31746353433803bdf83d9e3265c458984cbba2f8b38b014
Markdownd53041b1459a65e9f66c5611a5702bcd1691447e320e974d3e15121515fe0885
PDF
Publication page089af02aa573b66baab26b8109515e0cc8fa62708b587bfbdbd341c92086e9b5
Manifest486ba06fc23db22a4ee97e54f2e3beca012fd3df39ba23191eed193ef2554304

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
SignaturekhRin4aoRI+GbIBiPd+DdXexWnossMzgQIuXcRTuZm6qfDEQ3ZR9iToC9jcUfUWxNTfaNP7L1qf1vxPCAyOPCg==
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

2026-09-17T12:02:41.799620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017535
observed 089af02aa573b66baab26b8109515e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.782552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017535/manifest.json
observed 486ba06fc23db22a4ee97e54f2e3beca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.765624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017535/publication.md
observed d53041b1459a65e9f66c5611a5702bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.748526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017535/publication.txt
observed 58860245f04950bca31746353433803b...
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.