OpenTechnical

OT-2026-000089812

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000089812) never changes.

Identity and time

Publication numberOT-2026-000089812 · never reused
Internal UUID01a0ae9c-428c-7188-b282-0138c27d162a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089812
StatusPUBLIC

Content hashes

Canonical textfda63c3e9d1a455a1d5b38e65c48e02a538342e61b83f2eb0c9655b6a1093b0d
Markdownf6841ece94357e7b99ceea8afa9784f0e99d60f7dde032ded7456ac999958c2b
PDF
Publication pagecb2e450e533e9ce68c9df29ee3369452ef76b51795f1d59956b94b87f3e6cf01
Manifeste1238f687b2f75582f6144f396a902f6062b672c6b75d88c3cc2eb18a64cd2cd

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
SignatureY5uYHHpcipksqg4X/PzUOKXvUsvqK/XnxF1+2UcWJ4aTkl+5Sql7dewk6LpL9FsTq3nmMTaYXSqreyJHYcRqAQ==
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

2026-09-17T09:45:02.915750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089812
observed cb2e450e533e9ce68c9df29ee3369452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.897607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089812/manifest.json
observed e1238f687b2f75582f6144f396a902f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.879396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089812/publication.md
observed f6841ece94357e7b99ceea8afa9784f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.862599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089812/publication.txt
observed fda63c3e9d1a455a1d5b38e65c48e02a...
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.