OpenTechnical

OT-2026-000020618

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020618) never changes.

Identity and time

Publication numberOT-2026-000020618 · never reused
Internal UUID01a0ae6f-65e1-70a1-83ee-696910014609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020618
StatusPUBLIC

Content hashes

Canonical texteb6721b17dc5283f183947e146ca020e46299f9f4383e2de5f8ab33f3bda0224
Markdown3b2e080834c4f11987e99ba5e66afc51c7006a4071fa1e95ec96501bf0fda1e9
PDF
Publication pagea193127af78ebccedb5f69c3549e894d0a55c041a402b0e8e1b503e816fe7c4d
Manifest8a59449ed0eddc01b0251dd429194ca88a505d58fe81e524085a8155e682b420

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
SignatureAXFEcg71KbHXNGC4oL47FUpUpjU1gFSmYZAwLWj8ljjPaYxTkqQ1Xy0o1+tJvGqJkg5g+sd240sph4oWHfkuDg==
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

2026-09-17T11:55:33.776527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020618
observed a193127af78ebccedb5f69c3549e894d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:33.758826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020618/manifest.json
observed 8a59449ed0eddc01b0251dd429194ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:33.738162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020618/publication.md
observed 3b2e080834c4f11987e99ba5e66afc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:33.721501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020618/publication.txt
observed eb6721b17dc5283f183947e146ca020e...
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.