OpenTechnical

OT-2026-000079313

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079313) never changes.

Identity and time

Publication numberOT-2026-000079313 · never reused
Internal UUID01a0ae96-0b90-785f-b8b4-c0572ad49acf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079313
StatusPUBLIC

Content hashes

Canonical text08c16c8ec3c8854a0faf46f08d3c10248a6f98e2db86b45f6e2d7ada30eb2f20
Markdownc9797f5d2052f0e29ccf1595a6e47f63a219d0295e20dfb88ac889e0ce72dabb
PDF
Publication paged20568d05e61ed043f45ccc2a6d9d9f86c98bf7d290d97c2422c65fcd353caea
Manifest40475673186fc4ad4c4a6588cd99866f928af8c68f7a5d5ad3db17ec097c8354

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
SignaturepfmUVGMsSgbhGKvpQdPe/wstBUqAROST4FSLxyYrQgAHTm3IpY2zhsRZMEvYGmX77+FHijHx+vILKGGpevS7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:55.480967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079313
observed d20568d05e61ed043f45ccc2a6d9d9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.463120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079313/manifest.json
observed 40475673186fc4ad4c4a6588cd99866f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.445643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079313/publication.md
observed c9797f5d2052f0e29ccf1595a6e47f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.427688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079313/publication.txt
observed 08c16c8ec3c8854a0faf46f08d3c1024...
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.