OpenTechnical

OT-2026-000068985

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000068985) never changes.

Identity and time

Publication numberOT-2026-000068985 · never reused
Internal UUID01a0ae90-6dcd-7b8f-95d0-9f6a0480f813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068985
StatusPUBLIC

Content hashes

Canonical textbde89d90a2a2e3ab6d08540fca049e780656ca2acb47a0fa60d73d7d8e410fed
Markdownc360ec58df2e72e9dda21a7fd5dbf45d83461c76494157c4e5d2631b18f2cea3
PDF
Publication page7ccc735ee29a7d5fcd9b7b75f66f7067f6154343aac5a7b46b86f26bca18f492
Manifest85a6983cf038a8ac006f65b16290d33988b4988fd2b71c618e401140da276fbc

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
Signature4caCjAAj+mVczjY5r/8QoX0HyJ+UeqjoQdko7NLh3KdVFDgOhQ8TYUraAMXxFVwTNFIxLG/ByBcAjWxYErGTAQ==
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

2026-09-17T10:28:49.613234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068985
observed 7ccc735ee29a7d5fcd9b7b75f66f7067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.595059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068985/manifest.json
observed 85a6983cf038a8ac006f65b16290d339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.576351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068985/publication.md
observed c360ec58df2e72e9dda21a7fd5dbf45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.558046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068985/publication.txt
observed bde89d90a2a2e3ab6d08540fca049e78...
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.