OpenTechnical

OT-2026-000090348

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000090348) never changes.

Identity and time

Publication numberOT-2026-000090348 · never reused
Internal UUID01a0ae9c-7f2d-7695-8032-8e41c64982c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090348
StatusPUBLIC

Content hashes

Canonical text07ab10e9f09b7c394721bb188651a284e11425a2d5cd3d1a77ad10864106f7c5
Markdown0dd4ccc24be46e5099a7268343ffb5ab0baea7787224de3cb4b86448902ed618
PDF
Publication page5dc7a803372c92017bce8bbb89ff1b5404b7bd6f0675b4b56261a7e6fe6b5e53
Manifest5c952bc26b1730c53096ac79f2e49d2d2b7db388f9cde960d5f009c881a171dd

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
Signature/gpMk5x9DX8s05AvzcEaMEp4FS/SrqpSg/gLuDWzz+zHCWboEQ/RJDMLZOrzh9RzOafCHK6OyNVPdLdvpj8oBg==
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

2026-09-17T09:44:26.663466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090348
observed 5dc7a803372c92017bce8bbb89ff1b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.644879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090348/manifest.json
observed 5c952bc26b1730c53096ac79f2e49d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.623169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090348/publication.md
observed 0dd4ccc24be46e5099a7268343ffb5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.601867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090348/publication.txt
observed 07ab10e9f09b7c394721bb188651a284...
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.