OpenTechnical

OT-2026-000073405

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073405) never changes.

Identity and time

Publication numberOT-2026-000073405 · never reused
Internal UUID01a0ae92-efb8-72c4-90ea-0f870305a4b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073405
StatusPUBLIC

Content hashes

Canonical text01695e22d28ec3f7d020b63e4fb6a17aae1bca0a961fc1fa08af4ff148d3feb1
Markdown74592d6a3769e86c57391396f28f893066beb311bfd39ea62a4ebd5c644fefaf
PDF
Publication page32f8bc4d9f41954fbe85e4086d7828c693c6b1f558644082f2b5c498ab5b9847
Manifest4823a4d493b7b76db200a75c2be1da91e52e9de65452dd6d2c03fea2539797f2

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
Signatures0vjxX9JAgrS+8FyLbbCzpgFq8LfTgw0gNyMlVzfTBLNvJ+kFHlYiL1aOzbmTekbJBRFB3P2XgQZaAiBb7VwAg==
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

2026-09-17T10:21:27.030321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073405
observed 32f8bc4d9f41954fbe85e4086d7828c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.012694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073405/manifest.json
observed 4823a4d493b7b76db200a75c2be1da91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.994636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073405/publication.md
observed 74592d6a3769e86c57391396f28f8930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.975348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073405/publication.txt
observed 01695e22d28ec3f7d020b63e4fb6a17a...
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.