OpenTechnical

OT-2026-000091518

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091518) never changes.

Identity and time

Publication numberOT-2026-000091518 · never reused
Internal UUID01a0ae9c-f16e-7fdb-9667-9a12a83684f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091518
StatusPUBLIC

Content hashes

Canonical text3a46170ad0eef4eb1e4bdefa3c12ee879ffa87d76a89ff8ce47c5b557bc59ee6
Markdownbbb0b3d2a44278c69aa434a9f28114cb2808b86394994f3d724a9659d55922cb
PDF
Publication page86330f1b50042f10de100b4a107d96a750a5816e2c16c496f1ed7b2250918f88
Manifest5899d52df8a26a07a53edb8e6d13fc74179661c1360f2757605ea007b866ec04

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
SignaturemSxRsyvasPJS/3G3a2ZhvGDi1afduPYn8+3VSDoizzBoPQTayn1LH0m6n+gv1Up+Z3THkJvyO34eurJPjjEYAQ==
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

2026-09-17T09:43:47.058894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091518
observed 86330f1b50042f10de100b4a107d96a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.043067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091518/manifest.json
observed 5899d52df8a26a07a53edb8e6d13fc74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.026179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091518/publication.md
observed bbb0b3d2a44278c69aa434a9f28114cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.007550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091518/publication.txt
observed 3a46170ad0eef4eb1e4bdefa3c12ee87...
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.