OpenTechnical

OT-2026-000077256

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down

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-2026-000077256) never changes.

Identity and time

Publication numberOT-2026-000077256 · never reused
Internal UUID01a0ae94-f508-74e3-9a6e-ce0be4b788bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077256
StatusPUBLIC

Content hashes

Canonical text2e0f74126718960da08dd6dc84cf495c5fd7dcabe813ed36197b099404615468
Markdown5c881d6cfce564d74f22f35ad36d64b884372e713c054bf45cd2a93af3558a62
PDF
Publication page9b08708a25cf4a6dc5fb5640b1991faf34b9432e08519813bda51ebf4284e91c
Manifestec01fbb20774f9dcbf199512c8db3a32db3f5a17935a695baf5f31a925d801dc

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
SignatureefopSN1aMnl1kcfgS1UXjO0CwI5hdShqDAVHc4UiEAc8/YATohG5wwjvpq0zn5q/oeazHMa/IKYzHCZDPMOEDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:52.695327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077256
observed 9b08708a25cf4a6dc5fb5640b1991faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.676860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077256/manifest.json
observed ec01fbb20774f9dcbf199512c8db3a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.657485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077256/publication.md
observed 5c881d6cfce564d74f22f35ad36d64b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.638775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077256/publication.txt
observed 2e0f74126718960da08dd6dc84cf495c...
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.