OpenTechnical

OT-2026-000017523

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-2026-000017523) never changes.

Identity and time

Publication numberOT-2026-000017523 · never reused
Internal UUID01a0ae6e-76ca-716a-b969-c210dc1daf95 · 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-2026-000017523
StatusPUBLIC

Content hashes

Canonical text89d78f481de5af4bb658f457cace7358845e9d59bb912e277382d4ead36eff74
Markdownd1425e516b797c16ae4b26f580633d60e7d028391987339278d46d8c59235704
PDF
Publication page026c2d11a9376b90363b82ee582aef229d85a3eed8a59611d16c97371e9305e5
Manifestfd54cc05ced210696df303076a707a9c5ae54d6f44949897e1bf01f62dd498f7

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
Signatures/I2Uq9mwhvoeBVaKrdtBuVEt7oWWsBR/5U6MtcsULi0fyihAetUHkiEERi8vfW3GfOliBSUhyM3TYWiBE9zDA==
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

2026-09-17T12:02:40.900204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017523
observed 026c2d11a9376b90363b82ee582aef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.883072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017523/manifest.json
observed fd54cc05ced210696df303076a707a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.866309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017523/publication.md
observed d1425e516b797c16ae4b26f580633d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.850331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017523/publication.txt
observed 89d78f481de5af4bb658f457cace7358...
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.