OpenTechnical

OT-2026-000102599

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000102599) never changes.

Identity and time

Publication numberOT-2026-000102599 · never reused
Internal UUID01a0aea4-858b-73d7-aab2-8df4b4e929de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102599
StatusPUBLIC

Content hashes

Canonical text843461bca29c60cee1059c65cb077f68ba7aacefdf511586e67a2d2e32767ecc
Markdowndbfb80a48cc70a29877a2c4d70c0fd1516c85c36f493a0530319798e2cb979f0
PDF
Publication page804ab997c0d65365ddbefbf3e89f77c815c82c0c9d936427022934897ea24447
Manifest52fd933fd6690330dbe70fb35c4856faf526123454937699ab895ff5152b0672

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
SignatureW0Ca+OFJUDYEG2HgHSPN7DYFPr1s4UmLJVkk4Bxzt7iXFaqzmiDHBhI+6Fnx/3etWfTeBn5awBzPsGiOVxK6Aw==
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

2026-09-17T09:24:05.118589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102599
observed 804ab997c0d65365ddbefbf3e89f77c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.101140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102599/manifest.json
observed 52fd933fd6690330dbe70fb35c4856fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.081957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102599/publication.md
observed dbfb80a48cc70a29877a2c4d70c0fd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.064053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102599/publication.txt
observed 843461bca29c60cee1059c65cb077f68...
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.