OpenTechnical

OT-2026-000050919

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000050919) never changes.

Identity and time

Publication numberOT-2026-000050919 · never reused
Internal UUID01a0ae82-c7b3-787f-9157-bae6ac33c389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050919
StatusPUBLIC

Content hashes

Canonical textf33735e09c4cbe03a463638cbde2c8a68c583e71145c7c1137ec19adfd8fe8fc
Markdown734a6bbdee2bf5b47abf27032763e94c2e0bce2e3f4e630d7d379545f6bde5e5
PDF
Publication page60c66f211396e0d26763ff5f705e3c9cba43820269f104e6e1d2734bb4528a0b
Manifeste0d0c77d13aa2f419b7f3c50658fff7dab60fb15573db74b8e7fc792ab2866d9

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
Signature5aYvOcxUHilc5ifyu0xsYOl1H09SblTO/hWP1Q3OOFnD+hQOLqPvXEEN/tB4k6pDn4n6r+1pU0qcyeW4nAvLDw==
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

2026-09-17T11:00:40.599863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919
observed 60c66f211396e0d26763ff5f705e3c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.582887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919
observed 60c66f211396e0d26763ff5f705e3c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.573424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919/manifest.json
observed e0d0c77d13aa2f419b7f3c50658fff7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.562718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919/manifest.json
observed e0d0c77d13aa2f419b7f3c50658fff7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.552198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919/publication.md
observed 734a6bbdee2bf5b47abf27032763e94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.543560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919/publication.md
observed 734a6bbdee2bf5b47abf27032763e94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.533683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919/publication.txt
observed f33735e09c4cbe03a463638cbde2c8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.522126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050919/publication.txt
observed f33735e09c4cbe03a463638cbde2c8a6...
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.