OpenTechnical

OT-2026-000016991

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000016991) never changes.

Identity and time

Publication numberOT-2026-000016991 · never reused
Internal UUID01a0ae6e-591a-7f66-b346-de7c52c0f1a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016991
StatusPUBLIC

Content hashes

Canonical text122827f1c66f0645f3033add7bfe3433bc004b79e00c42fa616f77200345209f
Markdown2d3649b540fc23e5755341566fd44220689d2372ac6eec44de26fb3a436ceae7
PDF
Publication page2f754e59ee5f34987e4d2a9b4fd68107c7a5847728dbce77e5c8ec3f98270c0a
Manifestd771955eff7d76617aa082095bf3087305d01eed9ba8b98e76c91589246be340

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
SignatureFx8+OU777L/mmMsqAOdZqAmZIFIPmMEJc9OaLkO40qkezKNxEpgVXCxHg8SsgDnal+V0eFvLnTLCnmSzjZm+DA==
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

2026-09-17T12:03:23.735580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016991
observed 2f754e59ee5f34987e4d2a9b4fd68107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.718777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016991/manifest.json
observed d771955eff7d76617aa082095bf30873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.702597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016991/publication.md
observed 2d3649b540fc23e5755341566fd44220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.685486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016991/publication.txt
observed 122827f1c66f0645f3033add7bfe3433...
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.