OpenTechnical

OT-2026-000068587

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068587) never changes.

Identity and time

Publication numberOT-2026-000068587 · never reused
Internal UUID01a0ae90-2482-7dba-9aaf-13fdffd80949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068587
StatusPUBLIC

Content hashes

Canonical texte6c83aef1be2e98f7e69254dac029f97c49677d9a0e6e9b7ffcb78fbf941e734
Markdown05ce1be7a0220a7bcddb996b92503c2c98711d12db2f67ec9d2802b39c48bfcd
PDF
Publication page5daeda8b82bcf3a58b3d4bb5930c5256e12bc8dcce0a8134c3ae38984dac20b1
Manifest6b0fad02beba5797bd17c5019b700aac769fb8834d6b9ca6e15ef7ce9f9400db

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
SignatureKFuzo1ITHhmbZ9qNR9xbG0ZCyC0hpoOWzEJJMiPlwT4ITKqXwBDqeQvXxBlnKr0tnDSLM4B7L4nKwi6J/q0wCw==
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

2026-09-17T10:29:45.797356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068587
observed 5daeda8b82bcf3a58b3d4bb5930c5256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.777108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068587/manifest.json
observed 6b0fad02beba5797bd17c5019b700aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.759491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068587/publication.md
observed 05ce1be7a0220a7bcddb996b92503c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.740574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068587/publication.txt
observed e6c83aef1be2e98f7e69254dac029f97...
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.