OpenTechnical

OT-2026-000087622

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000087622) never changes.

Identity and time

Publication numberOT-2026-000087622 · never reused
Internal UUID01a0ae9a-cd53-7c4c-86ef-c14d605e4ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087622
StatusPUBLIC

Content hashes

Canonical text6966d856d635de87a5cefff460be59095df685812238636c822165f4f4a563f8
Markdowndc3958d9b0c305f16ba85982bb85ee77192605240e3cb515cca7283ebaa9f8ac
PDF
Publication page534c298c0b054b51bf49654dac4b171182e2cb732f6d76d15ab668c9f7a90985
Manifest65f11de68156289c4174ca8f9beff5dce557cf5f23fd5854b48e4cb0e9f1274a

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
SignatureQQOaqOZL4cQNI6nEsfKiQr8sJdX54smH4PTvpWNb1SsciP/sbaKmt52DlrcHoRCGQVr0IPI+NlBMyfxNh1piCw==
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

2026-09-17T09:51:04.073169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087622
observed 534c298c0b054b51bf49654dac4b1711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.055339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087622/manifest.json
observed 65f11de68156289c4174ca8f9beff5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.036824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087622/publication.md
observed dc3958d9b0c305f16ba85982bb85ee77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.017156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087622/publication.txt
observed 6966d856d635de87a5cefff460be5909...
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.