OpenTechnical

OT-2026-000076605

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076605) never changes.

Identity and time

Publication numberOT-2026-000076605 · never reused
Internal UUID01a0ae94-b06e-7b6d-b3db-e0d5499ab173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076605
StatusPUBLIC

Content hashes

Canonical texta646e6b1fa100f8fb8a3637aeeb1622836ca598800d9ed896fdfa43bc55519ed
Markdowna22cdcb6b2e3ba6b51c06f94c9dbb89f8ea82b464ab4aacddd8ea86bd62509ff
PDF
Publication pagecb29b010c6d0d0460dd420f1bf9cad690251528c9a4f7e5952c7bbbf0a701534
Manifest82010918ac3a724dda15ead1551c4009b0b72b05f7c9174eb5fe623b75db14ae

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
SignatureGF81HTWkI3NPhRIK2KEpO4FMA1LvNnHDuLN/g6jxyVW2DPiayB+ae6HPn0D1c+B7o6HDbobjOuTr4qqrls7zCg==
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

2026-09-17T10:09:19.778527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076605
observed cb29b010c6d0d0460dd420f1bf9cad69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.762123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076605/manifest.json
observed 82010918ac3a724dda15ead1551c4009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.744741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076605/publication.md
observed a22cdcb6b2e3ba6b51c06f94c9dbb89f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.726792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076605/publication.txt
observed a646e6b1fa100f8fb8a3637aeeb16228...
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.