OpenTechnical

OT-2026-000095423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095423) never changes.

Identity and time

Publication numberOT-2026-000095423 · never reused
Internal UUID01a0ae9f-8f73-74c9-8177-aead762f7223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095423
StatusPUBLIC

Content hashes

Canonical text54a5ee5316ae583e0de5d586ad320898bb63bcd6f5918bd14d06b073b791e061
Markdown0880d277c53943b19e4ce102922eefb3137ae744f20b88cbc216e2a9d691e3c4
PDF
Publication page37b169d4009ec0e6b8a044ed13a44de0376e17be710fbcf0a2e093048d93913a
Manifestcd1fbd00b4481f3d0570276a8c2b6040e4c23a2aea0d06d931fa5db32fb80fbd

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
SignaturemY03mOONTpgjVmIsSy6plAZL3gl+V9rpZfY9OtjoS3rhLKqtDM3RLjZDoIMaeRQ5wzCuqFFXJy5zsW77+XizCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:22.142107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095423
observed 37b169d4009ec0e6b8a044ed13a44de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.122757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095423/manifest.json
observed cd1fbd00b4481f3d0570276a8c2b6040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.106630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095423/publication.md
observed 0880d277c53943b19e4ce102922eefb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.090525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095423/publication.txt
observed 54a5ee5316ae583e0de5d586ad320898...
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.