OpenTechnical

OT-2026-000025869

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000025869) never changes.

Identity and time

Publication numberOT-2026-000025869 · never reused
Internal UUID01a0ae71-a83e-7b4d-977a-beb74e00556a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025869
StatusPUBLIC

Content hashes

Canonical textacc21288abcbf3581789a92532aa998479715dd132f2446be82779c8a3f31e77
Markdown009d1db66f40767c07f67c6a8105b014e1983ac37536b3e8c38cf6e2dcbe40b6
PDF
Publication page0e5868f605aba73d67def9b3c717734cc5d798c84eef2104e5a4664b11c793f8
Manifestdc360b57e8051fca3497b23f35f4bea89e01a55cdb6d031c6befb520174a4d67

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
SignatureF3Y7tsfgPsyd528Z6Imh8dO9455m4MNbSMI+MjBONnLhTym6x8XsKSdSGJQ+i9CyOtdxv4cb8rrznCPoFNYjBQ==
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

2026-09-17T11:46:06.364603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025869
observed 0e5868f605aba73d67def9b3c717734c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.348335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025869/manifest.json
observed dc360b57e8051fca3497b23f35f4bea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.331633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025869/publication.md
observed 009d1db66f40767c07f67c6a8105b014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.313404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025869/publication.txt
observed acc21288abcbf3581789a92532aa9984...
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.