OpenTechnical

OT-2026-000045297

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000045297) never changes.

Identity and time

Publication numberOT-2026-000045297 · never reused
Internal UUID01a0ae7c-f76b-72b5-8221-22240eca8146 · 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-2026-000045297
StatusPUBLIC

Content hashes

Canonical text59837418e4dda80d22841e1c7c8acb8855068a8fc220b7de7b62e1fb658804ea
Markdown610fa1eafe70fec3846c4a96065a96990420b430c0de39aa12ccaaa580bb4b6b
PDF
Publication page7d68b1dbb848ea09f4258ec502aa138d10f5dc6d897ac7604f5307a6857fb80a
Manifestccd27ea345dd40f4e0457207fc8446d8ba53f3557c7a4d9701e2e830172793c4

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
SignaturerM9IW0QGMpEmw0yLkSDHtSHrulSKZ+oXwysvzrGXZVvLgzipgQmxxt9urmevnXxyJASUAPptictjVMXhRi/vCA==
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

2026-09-17T11:10:31.065891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045297
observed 7d68b1dbb848ea09f4258ec502aa138d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:31.046414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045297/manifest.json
observed ccd27ea345dd40f4e0457207fc8446d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:31.023869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045297/publication.md
observed 610fa1eafe70fec3846c4a96065a9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:31.003736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045297/publication.txt
observed 59837418e4dda80d22841e1c7c8acb88...
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.