OpenTechnical

OT-2026-000028365

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028365) never changes.

Identity and time

Publication numberOT-2026-000028365 · never reused
Internal UUID01a0ae72-e2f5-7722-a87b-65929d5aedaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028365
StatusPUBLIC

Content hashes

Canonical text1291f726122b3039fd2dd81e96141fc2c048127360661a539e1f9d6c1788ddfb
Markdown390d6c8f0456854391f0f57a2189d2ab6084661667a45996170d32af8fd76f75
PDF
Publication page17150f9a07817efe82146977dc2ad435770977d67d6c47da304a065369d80d00
Manifest03240ef242abe95d9702be10d830a11e93021f2440e13f556e657f5c2b03050d

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
SignaturetQ52KiZNSBFBpzVfa9oHT9KDNSsJe3kV6kcbPDenz+IUIT2Hpje7PNpFJkG8QXVosReR09ERqA0P5JyRB+s2Dw==
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

2026-09-17T11:40:05.714094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028365
observed 17150f9a07817efe82146977dc2ad435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.694879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028365/manifest.json
observed 03240ef242abe95d9702be10d830a11e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.668509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028365/publication.md
observed 390d6c8f0456854391f0f57a2189d2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.649515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028365/publication.txt
observed 1291f726122b3039fd2dd81e96141fc2...
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.