OpenTechnical

OT-2026-000085520

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000085520) never changes.

Identity and time

Publication numberOT-2026-000085520 · never reused
Internal UUID01a0ae99-aaac-710a-931a-c5f4d14aa383 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085520
StatusPUBLIC

Content hashes

Canonical textd15d2f70c7bd92c36cbd4ca8a03f5baa633cb22a722cc6389f16a6eb5534bef7
Markdowne5a77730dff2f70350552366d5023b7e73646b625bb6d356438318586640e079
PDF
Publication pageaf720039a86a2057953ff949dead4a1138ea7bc04ba2653d5fa726385b31aa96
Manifest44b35a3a5c899674395beb77f4adedf21a87f90e76ef4728fa106082055f29b2

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
SignatureAKbXuR7sBj5fVHes36e0hrwPQ1Drv3desEbjNmZi5RRS14ZsJ2dlbJN86gF2UgrXx+SeHDAp73tbRfINln7DAQ==
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

2026-09-17T09:54:19.995436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085520
observed af720039a86a2057953ff949dead4a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.977576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085520/manifest.json
observed 44b35a3a5c899674395beb77f4adedf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.957588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085520/publication.md
observed e5a77730dff2f70350552366d5023b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.931179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085520/publication.txt
observed d15d2f70c7bd92c36cbd4ca8a03f5baa...
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.