OpenTechnical

OT-2026-000013455

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000013455) never changes.

Identity and time

Publication numberOT-2026-000013455 · never reused
Internal UUID01a0ae6d-6fca-774a-9ca6-abbbfa0000eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013455
StatusPUBLIC

Content hashes

Canonical textabe3b4e6ffba766aa1a2ea9c23c8b95e113469ab9c22ecd33a0ff85a673f4166
Markdown1d3e70d33f3163966cc8774a99b77c50552b816b7ffa310734b168fb6c078157
PDF
Publication page760e7b6036b4550e5e5ae6975f7e7c9929fb16351278667cd00c67692b18248b
Manifest084836f554c2fd4b1b4b4071359f893aeeda0e7cca036c3da9be628ebfda958f

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
SignaturePEz5B3L+peGaGCAy8SJgsEAjkH7Q7r1GV6tzmCGvTLkiJ888rE12QLIgpnthoVrqjpWxFMygbjZOQUSx6FJqAA==
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

2026-09-17T12:09:56.957111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013455
observed 760e7b6036b4550e5e5ae6975f7e7c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.937990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013455/manifest.json
observed 084836f554c2fd4b1b4b4071359f893a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.915602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013455/publication.md
observed 1d3e70d33f3163966cc8774a99b77c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.895742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013455/publication.txt
observed abe3b4e6ffba766aa1a2ea9c23c8b95e...
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.