OpenTechnical

OT-2026-000012257

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000012257) never changes.

Identity and time

Publication numberOT-2026-000012257 · never reused
Internal UUID01a0ae6d-39f5-7c34-b52e-113060b2e9eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012257
StatusPUBLIC

Content hashes

Canonical text8a5b5d009f4f22753a18538552bd81b8c6f71be557f45f89483777bd460b3ecf
Markdownc1e181565537f2f2631429cb5b0045b5940c90f5b78481826adbb3f60f161ebb
PDF
Publication page0e5874e23ba1294d957b855f1e2d0fc04375356a6688c4dbb04a4f740dc9d9ef
Manifestc4dca89dda1c28cfd57661fba075be4a598043aefc4a040537ce776ae179dc4b

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
SignatureHIfBdHNN7yWDwhbCmSmOsP7Dv+sgYc7HIxSpkfWYpYXEoacqPykGI+zgeXfCxtz7iQMghqBZ4SEbbnCvTTSpBQ==
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

2026-09-17T12:11:11.279959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012257
observed 0e5874e23ba1294d957b855f1e2d0fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.262175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012257/manifest.json
observed c4dca89dda1c28cfd57661fba075be4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.243067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012257/publication.md
observed c1e181565537f2f2631429cb5b0045b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.222863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012257/publication.txt
observed 8a5b5d009f4f22753a18538552bd81b8...
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.