OpenTechnical

OT-2026-000025849

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000025849) never changes.

Identity and time

Publication numberOT-2026-000025849 · never reused
Internal UUID01a0ae71-a83e-7967-b352-c49c778ff3c5 · 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-2026-000025849
StatusPUBLIC

Content hashes

Canonical text77e97519e7034f7cab0bd25d278d5718a72f2675d5b6241b20c6fcffb015cce9
Markdown2740c904a3cf82bfb9f86a287c9cfc76bc4d5acfc34c31b63d9babd27c2885ef
PDF
Publication pageb08b1c649426e7dee044e2ba26b7f4672b3d185bd0f8b4f7148bea5012eb6336
Manifestdc8326340173ee34cd1f8a88022396c1430599049a88fd61de819e73198cd4ed

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
SignatureFdU3/mHXW7X3NTG8BAIfwxz+fxZwCXknLZu0ZgsIwkGA6EcoXncCIEWCwkkaNRZkjjn8r+cd1zt9ooagmhDWAA==
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

2026-09-17T11:46:04.688366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025849
observed b08b1c649426e7dee044e2ba26b7f467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.669242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025849/manifest.json
observed dc8326340173ee34cd1f8a88022396c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.650908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025849/publication.md
observed 2740c904a3cf82bfb9f86a287c9cfc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.635076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025849/publication.txt
observed 77e97519e7034f7cab0bd25d278d5718...
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.