OpenTechnical

OT-2026-000074446

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000074446) never changes.

Identity and time

Publication numberOT-2026-000074446 · never reused
Internal UUID01a0ae93-717a-7daf-a65c-cbfe82e83ae1 · 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-2026-000074446
StatusPUBLIC

Content hashes

Canonical text5a86568a0286830b25be30fb196313020c5b6fcb50aecbf2a08dda8d9695d742
Markdown57dfae1ec231e35ff4eb8f8b98845d6cd7486eee3d45cff7f7ddceee2d6f548d
PDF
Publication page6864fdeaf3c519846b0e1e08d09e3d37e06ba2cfaec0b2228a34a9a72dd5d613
Manifest68ad43f69100d10256c3caec51fc51222690372c6932b031e324c54d8b1e9d44

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
SignaturexYNqzUIEhX+EIud2dAllQavlp5lQdrHsqABgu5YzInisQgy+wC1H42k03lC6+r0lqv44zSHTXRfFqA9v/rgXCQ==
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

2026-09-17T10:19:24.129578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074446
observed 6864fdeaf3c519846b0e1e08d09e3d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.107804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074446/manifest.json
observed 68ad43f69100d10256c3caec51fc5122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.085390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074446/publication.md
observed 57dfae1ec231e35ff4eb8f8b98845d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.062409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074446/publication.txt
observed 5a86568a0286830b25be30fb19631302...
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.