OpenTechnical

OT-2026-000060909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000060909) never changes.

Identity and time

Publication numberOT-2026-000060909 · never reused
Internal UUID01a0ae8b-12f2-7448-b7d0-49a8ce2984ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060909
StatusPUBLIC

Content hashes

Canonical text700568b17fa9354064b7c61e35450111e6b4f3bcc73e6e520feb4c4ec7c4f580
Markdown0f72294f0d52003a5e0039c5951e38b40a364095213be487c70aeb9d0bdd2a98
PDF
Publication page24458c2b21e5a343e420c3ce6efaa70dc9fc34b0b72ea5ee63584a0a00d7f06c
Manifest8a8649dd1bd4611b7ebd8c87659ecbb3b32356492fa4c54c919de7ba33507bfd

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
SignatureA5FqlJ1q8lBN0rHhMEvlJeIufhfN/UPknMej4v9PQw4jEW6fCPutClAQ6FuH5I87Vpy1sTC8NasvLl15uAgkAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:10.432819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060909
observed 24458c2b21e5a343e420c3ce6efaa70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.415804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060909/manifest.json
observed 8a8649dd1bd4611b7ebd8c87659ecbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.397143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060909/publication.md
observed 0f72294f0d52003a5e0039c5951e38b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.378652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060909/publication.txt
observed 700568b17fa9354064b7c61e35450111...
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.