OpenTechnical

OT-2026-000045453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000045453) never changes.

Identity and time

Publication numberOT-2026-000045453 · never reused
Internal UUID01a0ae7c-f76d-76a2-ad91-b7c1897c2531 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045453
StatusPUBLIC

Content hashes

Canonical textc00bbc8c8a33bdf0ee6795c3106a3f7a363033e9e63661623ce2ce249e104a99
Markdown6a377959acc3350bd99c0119d6cc4533d4a08cbc368f9e1d136578ba24283bd7
PDF
Publication page44cd04b9dad410cd5fc73eae736dffa070c1066a4690ff8911080c2ac8657f82
Manifestabd7b01bbe2ae5f008c81c06900fa776c820af70ffacc467698f6085f95d9b9f

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
Signaturen0eJX3cZlcxF05NZbU70NRNIITi2WGzwn8ohmCjc34H6NGLDY7li1V6yJ0g+kphvhMgkuqZvwatu6uiENyEqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:45.416319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045453
observed 44cd04b9dad410cd5fc73eae736dffa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.398731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045453/manifest.json
observed abd7b01bbe2ae5f008c81c06900fa776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.379251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045453/publication.md
observed 6a377959acc3350bd99c0119d6cc4533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.360925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045453/publication.txt
observed c00bbc8c8a33bdf0ee6795c3106a3f7a...
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.