OpenTechnical

OT-2026-000071687

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071687) never changes.

Identity and time

Publication numberOT-2026-000071687 · never reused
Internal UUID01a0ae92-1e91-7afc-ac64-1f64292027db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071687
StatusPUBLIC

Content hashes

Canonical text45329f8cb0296ebb071fb7a60bf8c7a47ab0e30f760f03aa6b9dbdc5215d20b7
Markdown749aaa5864d7ef154ce239be4aa52346a0c821ab4a5ea92b9013de3a3aa34e26
PDF
Publication page928b7ebad89681f3732ba681f9dbab2823bcbbd236c4c7e0242a91436a1204dd
Manifestfff278a31018a4b5922b6bd9de204db670853b92cae234877ebcbe3990b91d25

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
SignatureypSAB+WORo926pB8BxzWMucbLAzf2Eg2pG/8jg5TmY+4TxnZtGPYnKyeNsLYSWYnoLUgaY26ogI3ERh+HxwxDA==
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

2026-09-17T10:23:44.190553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071687
observed 928b7ebad89681f3732ba681f9dbab28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:44.140445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071687/manifest.json
observed fff278a31018a4b5922b6bd9de204db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:44.087335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071687/publication.md
observed 749aaa5864d7ef154ce239be4aa52346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:44.031983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071687/publication.txt
observed 45329f8cb0296ebb071fb7a60bf8c7a4...
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.