OpenTechnical

OT-2026-000087425

Publication integrity record

Two cup vacuum gripper, two zone face, single 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-2026-000087425) never changes.

Identity and time

Publication numberOT-2026-000087425 · never reused
Internal UUID01a0ae9a-cd50-706d-b2f9-ec8f782ad67e · 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-2026-000087425
StatusPUBLIC

Content hashes

Canonical text9c4b4a15ced7ceed6ba3942e0320e313d4d9a45f3a0a05b3535cba1a9c9da774
Markdown658030d8c402c1ac1cb051c130f47ba7028544ea4d3b74192d49dc00766289a6
PDF
Publication page702747ce37b716ef27044b313d1a2675ecd48178402ca9cecc145aefca973f84
Manifest6e84e32d2f3b739babf79d73cedf745cf546ff1088ecf06513289f47e05be0fd

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
SignaturehO/U9vUNSNtHKTHye7e950k4WvCVzU4I1mSs1CHVP79o/YlGJCOJti48YXgoeeLhZ6EPp/e0Dc10w8dmVMiKCg==
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

2026-09-17T09:50:44.722823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087425
observed 702747ce37b716ef27044b313d1a2675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.706653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087425/manifest.json
observed 6e84e32d2f3b739babf79d73cedf745c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.690308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087425/publication.md
observed 658030d8c402c1ac1cb051c130f47ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.672688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087425/publication.txt
observed 9c4b4a15ced7ceed6ba3942e0320e313...
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.