OpenTechnical

OT-2026-000020777

Publication integrity record

Four cup vacuum gripper, four 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-2026-000020777) never changes.

Identity and time

Publication numberOT-2026-000020777 · never reused
Internal UUID01a0ae6f-65e3-7ecf-a5be-28981293ce82 · 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-2026-000020777
StatusPUBLIC

Content hashes

Canonical text4a564fa5765f363d9b02fab17169ae7e217c18b98c2e425f9a398b6e0966a748
Markdown29185900c8005d81edd5081b914355fa97cc4355b5d74ff1ae3991bf9efb497a
PDF
Publication pageca07e45bb65485ec20802e0d9f884afbb22b99894f9ea283416daeac157ff8a4
Manifestdc685e70c25f3dc81c0f2cf6129abf4dd43f5e5ed1fcda5b02553fc3f2e82b41

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
SignaturejHjudWSdyoqdDkkQuTN8kjAndGnm9c+DQs3ybNr2P1j4AXVlKjVEZPcViU4vp8AowYBbHeFJGS5EcfgmLq4vDg==
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

2026-09-17T11:55:51.299346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020777
observed ca07e45bb65485ec20802e0d9f884afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.277463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020777/manifest.json
observed dc685e70c25f3dc81c0f2cf6129abf4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.258869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020777/publication.md
observed 29185900c8005d81edd5081b914355fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.238307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020777/publication.txt
observed 4a564fa5765f363d9b02fab17169ae7e...
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.