OpenTechnical

OT-2026-000080358

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080358) never changes.

Identity and time

Publication numberOT-2026-000080358 · never reused
Internal UUID01a0ae96-7e77-7b72-837d-11f73579a57d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080358
StatusPUBLIC

Content hashes

Canonical textfa9880ebe3363c4b6118b5d6a08dc9b26008096e92b1de51ea99a557ec90c708
Markdown929c4ff2e9ac36803f81d14650e1b6ebdeb8d1b5f7bbaab40c74a4ec42856f02
PDF
Publication page7d67186480971acd1eba7baf3cb3a668045f46d67e89d3fc967d23b7ab207ed8
Manifestd3ad5a06f8deac9b8696c129a825c1b771b862b58853a2c0e5ce1a19bf0bd88d

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
Signature5hmVKZB2t093knZq3n7bW7fCRnCQOK+9qdA4ASDrHfnii9nCVjbUQ1fJpN6QJCiG+mKT2ZdoXqoPhBkBGFC0DQ==
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

2026-09-17T10:02:50.666411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080358
observed 7d67186480971acd1eba7baf3cb3a668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.647937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080358/manifest.json
observed d3ad5a06f8deac9b8696c129a825c1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.628542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080358/publication.md
observed 929c4ff2e9ac36803f81d14650e1b6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.521546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080358/publication.txt
observed fa9880ebe3363c4b6118b5d6a08dc9b2...
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.