OpenTechnical

OT-2026-000031645

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000031645) never changes.

Identity and time

Publication numberOT-2026-000031645 · never reused
Internal UUID01a0ae74-bad0-79b7-aa94-ed28c86f169a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031645
StatusPUBLIC

Content hashes

Canonical texte84a7e5f7a19b40cb3fbd6cab2f95237f00e14a37a6b85379a4a90b115f5ae03
Markdown9a41b952fff1cfc3ae3262b962c2f9649b640016806213719997c68e9e23268c
PDF
Publication paged3f68cd4ed0a76cddc3e968388129c63149aaaeb99182964bd0484e05c2f97df
Manifestdf8a2d1f854f0d0718afae741657fb352f708b053b198817aa550d5e8d588bb2

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
SignatureHT/7315xXs6FTCw+LWRZDP5opE+jeLalW9nHSyNetrb1CNQTyDINSTZA4E1sNi/8ZULw6j5FuPJl/Qnfa2O6CQ==
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

2026-09-17T11:34:42.029204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031645
observed d3f68cd4ed0a76cddc3e968388129c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.010718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031645/manifest.json
observed df8a2d1f854f0d0718afae741657fb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.993872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031645/publication.md
observed 9a41b952fff1cfc3ae3262b962c2f964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.976157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031645/publication.txt
observed e84a7e5f7a19b40cb3fbd6cab2f95237...
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.