OpenTechnical

OT-2026-000068792

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068792) never changes.

Identity and time

Publication numberOT-2026-000068792 · never reused
Internal UUID01a0ae90-6dcb-7392-a305-4be31311b1ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068792
StatusPUBLIC

Content hashes

Canonical textb24f8cc07624949e607d94a5aae26380ab26dd89affbe81f79f0106f0a003fa5
Markdowned87d38a9992823c754e466026b39aaf5946062e5b49a7a7d2c8c64d938f3069
PDF
Publication pagea7afda12ff7a6e01ba91f8144a9f2eecbc6ade8edc3b75ba54a3f8044a9f8b47
Manifestce0f5a61815a23598feb3e4675d751161ba185a08d9890c2d272a7bc120aa691

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
SignatureVnvZzRYlxnBHX+YzVejkLsQfPxc2LKyO7fNKGjV+9ymhhTyr3KIQbxisShvDZACnkuOprOdXflfG9q1j3MCvAA==
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

2026-09-17T10:28:35.380175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068792
observed a7afda12ff7a6e01ba91f8144a9f2eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.362309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068792/manifest.json
observed ce0f5a61815a23598feb3e4675d75116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.346413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068792/publication.md
observed ed87d38a9992823c754e466026b39aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.330077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068792/publication.txt
observed b24f8cc07624949e607d94a5aae26380...
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.