OpenTechnical

OT-2026-000075028

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000075028) never changes.

Identity and time

Publication numberOT-2026-000075028 · never reused
Internal UUID01a0ae93-ac2d-71e5-b2ed-97e899e0d3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075028
StatusPUBLIC

Content hashes

Canonical text76375367a3aecffd8e2850b3c141c8d10c3166165ca459ad166a2c5b5adc98c5
Markdown0f50c0edacf7ad565d32d7a5aa9130967879132a7ffba9bf9a96779c1aa69f3c
PDF
Publication pagee3a5f62c259839379f779dff60a11af4307104188bd34d1908afbf261b3aadf4
Manifeste51fef333a2b450261f301d9b8626cfb62a6aa93dd0fe766598b2c15f83e9e15

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
SignatureGvCusnG4yG1v4Ts21nUBeePTDtK7yiFbJjdxy2o9zfXy5s78GpaYsZBLieSetwkH4R6vIboOqhWSJuZmJ0J7AQ==
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

2026-09-17T10:18:50.436919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075028
observed e3a5f62c259839379f779dff60a11af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.420905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075028/manifest.json
observed e51fef333a2b450261f301d9b8626cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.404068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075028/publication.md
observed 0f50c0edacf7ad565d32d7a5aa913096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.388440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075028/publication.txt
observed 76375367a3aecffd8e2850b3c141c8d1...
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.