OpenTechnical

OT-2026-000045080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000045080) never changes.

Identity and time

Publication numberOT-2026-000045080 · never reused
Internal UUID01a0ae7c-f768-7075-957a-7324ee0d6db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045080
StatusPUBLIC

Content hashes

Canonical textb2b628bb45c70383b1826c0c0cb0875f7507064885b3ade9ca9fe60dcf2db872
Markdown182ca533d46b49490ac5020fa6ff7ca378cfd07ece644d8ebcbafaa7008261ea
PDF
Publication page1b08be20c3def93e21a350db08359ffcc8176bef9cb4190b72792da8625e9e72
Manifest2c27e353b93b1aa9788d64d92b8c4f5426e7752e649c1129e376194128fe299c

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
Signature73hsZfbyZZdGWitOk9UYAGGbcQExKSkQejYIZ370bKMKdxDlp7xJMN6PoQsctEMXxEVoUphKg6ZyhpvnKjtUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:07.114042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045080
observed 1b08be20c3def93e21a350db08359ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.093678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045080/manifest.json
observed 2c27e353b93b1aa9788d64d92b8c4f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.073927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045080/publication.md
observed 182ca533d46b49490ac5020fa6ff7ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.053416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045080/publication.txt
observed b2b628bb45c70383b1826c0c0cb0875f...
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.