OpenTechnical

OT-2026-000091969

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000091969) never changes.

Identity and time

Publication numberOT-2026-000091969 · never reused
Internal UUID01a0ae9d-43bb-702a-b423-2be6f42e5115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091969
StatusPUBLIC

Content hashes

Canonical textb0fb6121f4491fc9b3fbccfdbfe59b6d502da4cbb68a0210e628b2f195016cd9
Markdown9cf2175aeb44d60f17f258ee3af7bf391d67ce0cbb398edc4c8c7e14399b284f
PDF
Publication pagef5c150775e70e0b1f9e8e1d28e9633d61b10ef6f0a5199840bb50645c6a379ed
Manifest2679e37f7328885557c4608395ba5f4b78d08dfc2ceddd9514a20864fa6b98bb

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
SignatureYAlyJibT2LHGQJrLbwE0bIAz5Gws2nzskYBjM3Prp9cjIX+IzusfrUOqnam3XrSTlnxwBRf2zAOopZfbpPncBw==
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

2026-09-17T09:42:55.552853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091969
observed f5c150775e70e0b1f9e8e1d28e9633d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.519610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091969/manifest.json
observed 2679e37f7328885557c4608395ba5f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.481580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091969/publication.md
observed 9cf2175aeb44d60f17f258ee3af7bf39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.445562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091969/publication.txt
observed b0fb6121f4491fc9b3fbccfdbfe59b6d...
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.