OpenTechnical

OT-2026-000025109

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000025109) never changes.

Identity and time

Publication numberOT-2026-000025109 · never reused
Internal UUID01a0ae71-5fa5-7d00-a1bc-25aa171134e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025109
StatusPUBLIC

Content hashes

Canonical text12c8b065689e36f326f8ac658962727ccdac183da23aeaccfd0f81ffa072b71f
Markdown5a2fceb37ed0d29e1770b815c0e56081b80f52027acd68ad6d4dc98ab73b333c
PDF
Publication page45c14384bdf8c330606ed7fa25dd4d87fa5b844737453149ab92acb54d97b8fc
Manifestc65433f6e5cfdd90dd0a2a72db50e799e76b88a29144a18da125f7922a3835b9

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
SignatureoEsANa/XxkYYefxzpsTnym759Kahv5HNZYabUwOIcYFGdim9HCbRlT4dXUliduUKT0Skk4ArE+WsrfuEN4UACA==
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

2026-09-17T11:46:58.943945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025109
observed 45c14384bdf8c330606ed7fa25dd4d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.922446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025109/manifest.json
observed c65433f6e5cfdd90dd0a2a72db50e799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.902838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025109/publication.md
observed 5a2fceb37ed0d29e1770b815c0e56081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.883511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025109/publication.txt
observed 12c8b065689e36f326f8ac658962727c...
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.