OpenTechnical

OT-2026-000039988

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000039988) never changes.

Identity and time

Publication numberOT-2026-000039988 · never reused
Internal UUID01a0ae78-d8d7-77b0-8162-188749877443 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039988
StatusPUBLIC

Content hashes

Canonical textd2de3de23c6fa33f81518ce887ab1b51f5d834a0641acfe1cc13d5841c06bff5
Markdown6187bfbd051e7197213623e0167d9f0b4aa00a88212c92be22883a23c9a1f9e8
PDF
Publication pagefd8d08321a37f6b270b9fd2bb727a652c6c0ecdb8a3f42f9f0cf46ad2a620475
Manifestdad99ecfd486d25947536808cbc53071b2de6a38c658165c29eea25d04f36a0f

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
Signaturek5WEc2L/HneLL+GpmFr8ocuRzTIdbLQNp+s1BdD0G0QMXnMrGzPpiDbYLsa9scTfYiE/H4LoJYanC9hXmoidDw==
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

2026-09-17T11:20:19.191265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039988
observed fd8d08321a37f6b270b9fd2bb727a652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.172547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039988/manifest.json
observed dad99ecfd486d25947536808cbc53071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.156570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039988/publication.md
observed 6187bfbd051e7197213623e0167d9f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.137846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039988/publication.txt
observed d2de3de23c6fa33f81518ce887ab1b51...
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.