OpenTechnical

OT-2026-000103372

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000103372) never changes.

Identity and time

Publication numberOT-2026-000103372 · never reused
Internal UUID01a0aea4-e460-7dd6-b089-8005665e2f46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103372
StatusPUBLIC

Content hashes

Canonical text83a58429448f0f556e9683b2084a82ff0e6ad1aadb2255f25d5c7abdfd52b5e1
Markdown2551d727761b73381abc9d51e5b953443586a9de94ea12a0f236c575991362ed
PDF
Publication paged070ec413c3290c4b235cf5e85330f1b37a867298678c5bda3240d41dd63a6a3
Manifest25b63980d0a638abacefcb21f65f8a686c1c458aa4d1bb0a00434a1740e21d86

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
SignatureoYLw0jtp3vnmY8G+BDruZJNOBFHNxuGsMF3/BQ63pVoBifcshQLDjjzYD/BpRju8rcDx1s+zUKhXEH+8ZPY0Cw==
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

2026-09-17T09:22:06.539825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103372
observed d070ec413c3290c4b235cf5e85330f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.522455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103372/manifest.json
observed 25b63980d0a638abacefcb21f65f8a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.504336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103372/publication.md
observed 2551d727761b73381abc9d51e5b95344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.486953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103372/publication.txt
observed 83a58429448f0f556e9683b2084a82ff...
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.