OpenTechnical

OT-2026-000074355

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074355) never changes.

Identity and time

Publication numberOT-2026-000074355 · never reused
Internal UUID01a0ae93-7179-7f41-8ed2-22c33393423c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074355
StatusPUBLIC

Content hashes

Canonical textb9ba3fd875f95b9a89e124c9eb1d473f06beac557956312e897635b1c22f12e6
Markdown81c79f239bef855d963c86b1a464afa6315a59e7f44ca48ed806f1edf999ca69
PDF
Publication pageda0453fc0021e30fc8f1d3db73e0ff53693033e0d7a63e0c0ded12c977fc444e
Manifestc6208e04852018ea63adeae65a2c1b766496965d8474276b2e9cc85f68491322

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
SignatureDIUjShC5eePe+4dJej34MZ4t9LbvDC1FfVcQ0tjrC47aO6vd7aUArPvTUK/n6vW7YL6E1r0AGHHs+zomz7AGDA==
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

2026-09-17T10:19:16.861181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074355
observed da0453fc0021e30fc8f1d3db73e0ff53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.844354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074355/manifest.json
observed c6208e04852018ea63adeae65a2c1b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.827838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074355/publication.md
observed 81c79f239bef855d963c86b1a464afa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.811130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074355/publication.txt
observed b9ba3fd875f95b9a89e124c9eb1d473f...
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.