OpenTechnical

OT-2026-000103803

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000103803) never changes.

Identity and time

Publication numberOT-2026-000103803 · never reused
Internal UUID01a0aea4-e463-7197-91bd-05bf98f214b0 · 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-2026-000103803
StatusPUBLIC

Content hashes

Canonical textf519a011e23f2d588c5c69d4ebb368dd441cfe6125fbe6e23198735deb240cae
Markdown1291cd83373981e37fb981bbb705aa36d93869339c6cf6c9cc8a7e4a1d3172ed
PDF
Publication paged3f0d59e1173e217b7f532f1e215ea196acd1885ac24a1d4a6a20a4d11471118
Manifest7b61eb7a89c84b03e35cd986cbaf3521ccd5ee89cf8d1b60529818c5e1f19956

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
SignaturebVOVa4rnzj7mLuenlHKfYG9oTZYmEXcwHy5h1eNk7GDkQ+okDNNrxu/irEZLF9iGCqnthyAOACR4OyqO6H1DDQ==
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

2026-09-17T09:22:45.505661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103803
observed d3f0d59e1173e217b7f532f1e215ea19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.490004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103803/manifest.json
observed 7b61eb7a89c84b03e35cd986cbaf3521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.473408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103803/publication.md
observed 1291cd83373981e37fb981bbb705aa36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.457679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103803/publication.txt
observed f519a011e23f2d588c5c69d4ebb368dd...
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.