OpenTechnical

OT-2026-000025985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000025985) never changes.

Identity and time

Publication numberOT-2026-000025985 · never reused
Internal UUID01a0ae71-a83f-7d1f-95d1-3dc2a72b0c91 · 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-2026-000025985
StatusPUBLIC

Content hashes

Canonical textd8466ed5c88a37c33303046526fcb984338dbca3cf7b68125489a080a85916c5
Markdowne1e7a4afcc7b7625f4329c819b5b812979c1f63449a8b1f52ac5c45e07c0613b
PDF
Publication page255e37aca05512b13a7f5f0876c0d2cf012776f2187ad965158539b3a9582231
Manifest30e8c906e372b247721a437d3426aa41fa7cc58a08c2bd815db42c55be950dca

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
SignatureibFLiooJJbql3BpxQVmc5vHUHbBmH4ebtcMw7ae6w664Tuc/uSlnnPM8z6bU2DibJJIuLhTRgyUTtmLxtwT+Ag==
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

2026-09-17T11:46:21.363911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025985
observed 255e37aca05512b13a7f5f0876c0d2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.346327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025985/manifest.json
observed 30e8c906e372b247721a437d3426aa41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.327993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025985/publication.md
observed e1e7a4afcc7b7625f4329c819b5b8129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.309170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025985/publication.txt
observed d8466ed5c88a37c33303046526fcb984...
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.