OpenTechnical

OT-2026-000087773

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000087773) never changes.

Identity and time

Publication numberOT-2026-000087773 · never reused
Internal UUID01a0ae9b-1aa4-7722-bdd8-7716668d922e · 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-2026-000087773
StatusPUBLIC

Content hashes

Canonical text870d0c09735d99fc747059d39e9718b8c6da8b6911245e22627a470bae3c52e7
Markdown117c93141153a230bfaf046bd0150ee115e217ca190ce8fbb1d7ca2a1d339dfe
PDF
Publication page73bccae0292c1af7f0b5dea8b57205c3c4be2defed1bb323527c7be35e0d5305
Manifest8bccc07be1cf34c6affa8baddc1b827737d781502ec111431c147224fd356c48

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
SignatureHboIDPHxsUzvOZIyr6eBgtahdWRGo0Hb4IOXWb4AefDqDR/f96GwbfDfTfmZujBmTzdPxcsvFCBeJVldTIY7Bw==
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

2026-09-17T09:48:58.570785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087773
observed 73bccae0292c1af7f0b5dea8b57205c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.554520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087773/manifest.json
observed 8bccc07be1cf34c6affa8baddc1b8277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.537825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087773/publication.md
observed 117c93141153a230bfaf046bd0150ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.520994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087773/publication.txt
observed 870d0c09735d99fc747059d39e9718b8...
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.