OpenTechnical

OT-2026-000063928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063928) never changes.

Identity and time

Publication numberOT-2026-000063928 · never reused
Internal UUID01a0ae8d-53bb-7ff3-9583-e822a1315d25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063928
StatusPUBLIC

Content hashes

Canonical textd3caefcf272291e3a5033369cda18ec45f494e53cad9bb40918f35b8750410bb
Markdownf0a7ef229800290b5db78043a5d8e6e937ece0b7ec6396c52b6dc25abec652c0
PDF
Publication pageaaf105d7238bb09b8e1a363f26b935c26ab792e8aa4aeab0b9c1e39dd0454299
Manifest657f4b0a7b28846ccde2bfea22601ca4c4f2419f0f06da22a645f49b52b126b3

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
Signatures6Nx039GYBci9YlRuTBw4Fej2vKWCjc8AK6RP601o+kLAjobPVn5hNvjv258Nqcq5nUn0zbr47eCAar5qyo2Aw==
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

2026-09-17T10:36:58.898420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063928
observed aaf105d7238bb09b8e1a363f26b935c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.881815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063928/manifest.json
observed 657f4b0a7b28846ccde2bfea22601ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.863077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063928/publication.md
observed f0a7ef229800290b5db78043a5d8e6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.844259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063928/publication.txt
observed d3caefcf272291e3a5033369cda18ec4...
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.