OpenTechnical

OT-2026-000046463

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000046463) never changes.

Identity and time

Publication numberOT-2026-000046463 · never reused
Internal UUID01a0ae7e-57dc-71b3-b977-3135525d529e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046463
StatusPUBLIC

Content hashes

Canonical text72934679f8805bdf64b100a95c64224c332ec6765b461d4c8961f3e5c4c62145
Markdownf779b9708dcbf79c36a9f2303e3060f0722d2a72056c618b6e7678fee8b0635c
PDF
Publication pageb4f36b670ef5995560d1e77f6fc995219015ab207e2f748321ac8a202169f81e
Manifest07d2d8c31e6c4cc50e3b7ddca254311ddaa7205db0eb220851b226a087210919

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
Signatureu1NSFTdttbq1KksCPYLz9L8IoCFpzcJKgRkMqEwpos/tzPlwBkFdtTjzrm4BlOivnGy7ajEVeuGihRjzrUa5Ag==
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

2026-09-17T11:08:29.372820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046463
observed b4f36b670ef5995560d1e77f6fc99521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:29.355268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046463/manifest.json
observed 07d2d8c31e6c4cc50e3b7ddca254311d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:29.336481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046463/publication.md
observed f779b9708dcbf79c36a9f2303e3060f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:29.317230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046463/publication.txt
observed 72934679f8805bdf64b100a95c64224c...
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.