OpenTechnical

OT-2026-000078334

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000078334) never changes.

Identity and time

Publication numberOT-2026-000078334 · never reused
Internal UUID01a0ae95-7c27-7512-a955-0012897635e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078334
StatusPUBLIC

Content hashes

Canonical textf0494f826e2ac7ee4d3925ed91dff4ea3a63c32fa8e46d2b030d1edd738836d0
Markdown425e6acc0b135f88696273090a95aa004bfea530688c2842817496abdb5ec9e5
PDF
Publication page7d261a27e25c1c5925f34f5b900bb2d413a13c3f05a0223c707f9c4a35fe4190
Manifest90fba4435e2a3a28938d01cbbbd3f276e1e6d74a58dd9f62da8b638e00554ffe

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
SignaturekuzsSYaYM8Lu2Tjelv5uOvBNFiDZanT4dQxhKfBvPTcd+cQaCYhu6GwPINCzWkiod3IXTGrtMAcE6URIelUwBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:18.157566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078334
observed 7d261a27e25c1c5925f34f5b900bb2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.139066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078334/manifest.json
observed 90fba4435e2a3a28938d01cbbbd3f276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.119972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078334/publication.md
observed 425e6acc0b135f88696273090a95aa00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.100690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078334/publication.txt
observed f0494f826e2ac7ee4d3925ed91dff4ea...
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.