OpenTechnical

OT-2026-000087791

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087791) never changes.

Identity and time

Publication numberOT-2026-000087791 · never reused
Internal UUID01a0ae9b-1aa4-750c-8fdb-54e585d4ad2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087791
StatusPUBLIC

Content hashes

Canonical text68eec94786d916b203cb77433e6be824541b56bde7e38bf64f37c2fa5ca8a24b
Markdown26eea0845d6378e67489f75aa597b1bbba29a94ecbdb41002b4852694c8229e6
PDF
Publication page8c3c4cfd4d2fcb9eb99151391442d81255031a64dbdb9b494cbe6fa4f952c364
Manifest584d4387a0db878c759a58239b31228a9788f04d0d2d1ffbf71e1b68409091a0

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+2/3oXqgLWkGHZ11m5YCJOCY/23/BSRsu0X/lsjBYZ3v8osPV8lu0l90vOC8mSbCZmg9jnyWkacKRNd7RXKVAw==
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

2026-09-17T09:48:59.861273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087791
observed 8c3c4cfd4d2fcb9eb99151391442d812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.843371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087791/manifest.json
observed 584d4387a0db878c759a58239b31228a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.826156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087791/publication.md
observed 26eea0845d6378e67489f75aa597b1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.809127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087791/publication.txt
observed 68eec94786d916b203cb77433e6be824...
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.