OpenTechnical

OT-2026-000051215

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000051215) never changes.

Identity and time

Publication numberOT-2026-000051215 · never reused
Internal UUID01a0ae83-273f-71e7-86d0-4c1c8e70c26a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051215
StatusPUBLIC

Content hashes

Canonical textf06653c0b65bc0bbd70bdb4dd96f3e70094158f0d86cf601dd6449524349849a
Markdownaa459349e155c57d551c4d3d117e41c4f4416c0fd17a52fd840b82b53d9a0ff2
PDF
Publication page0f05888072e097d75880a84ab03bb1a8e34a9f29f4ad6b67b884da14731f16c3
Manifest1854e09b67c69b8ec8efc01bdaf6530d0804e8ee854ad81ab2b6ad6db1a19ced

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
SignatureCQ4+2jquyWV2qSsKPO0Z0cz2+uwuWswMLy0AY4SHpeZAC7j98yQrqCKRJeIX/DreqjyagcO2vf97cqJfgXdGCQ==
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

2026-09-17T10:59:00.016846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051215
observed 0f05888072e097d75880a84ab03bb1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.999126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051215/manifest.json
observed 1854e09b67c69b8ec8efc01bdaf6530d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.981515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051215/publication.md
observed aa459349e155c57d551c4d3d117e41c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.963345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051215/publication.txt
observed f06653c0b65bc0bbd70bdb4dd96f3e70...
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.