OpenTechnical

OT-2026-000081063

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000081063) never changes.

Identity and time

Publication numberOT-2026-000081063 · never reused
Internal UUID01a0ae96-b976-7531-9fdc-f138893239e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081063
StatusPUBLIC

Content hashes

Canonical text4d7ce9c786c83fe0b4ed720e8b7cb70dff6623c6cef8f6b89584e6dbe0f0458d
Markdown61c34b7b283b8a1680b60652d9d5c9a329f4743b17e0063d467eae58926dd948
PDF
Publication page450c411cc386b7bfea09724f626f9889fe34c3d5238665559aa820d26820b2ff
Manifestc6ac096e3dd41c5b801b2b2c006ea324a7037a70d36b3dae4e6b48d88b302bc0

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
Signature1lcvTbBi5VOYBEf28nBhhul9XYkAjvFYlPqoIaGJABz+VvI+Ir3Zrtvd4Y+l+mP03eYzjMTHX3QWh12ohKIUAg==
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

2026-09-17T10:02:21.587160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081063
observed 450c411cc386b7bfea09724f626f9889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.571578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081063/manifest.json
observed c6ac096e3dd41c5b801b2b2c006ea324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.554935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081063/publication.md
observed 61c34b7b283b8a1680b60652d9d5c9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.535838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081063/publication.txt
observed 4d7ce9c786c83fe0b4ed720e8b7cb70d...
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.