OpenTechnical

OT-2026-000063999

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000063999) never changes.

Identity and time

Publication numberOT-2026-000063999 · never reused
Internal UUID01a0ae8d-53bc-79e5-bd24-47e3bda915aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063999
StatusPUBLIC

Content hashes

Canonical text834622750720517e4727dbf38ec5676c74f6456442a875836d5145139d3c7467
Markdown45aa1d3488cc08af236046f0ddceaa6e2d6200656452f01824aa838ead9731d3
PDF
Publication pageb8a37cc71464ecf61e9a78fe6ee81922908c65ba79d24625d0c1e06ed5cf61ca
Manifestb053b87e0cb1a0729ca4151e271aebfed936a8bc9f2d38f78e78977013d9d951

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
SignaturejfqoIuXKSdVGQVkGf7X/Vx53ysRVLSEBxT635uyYm0O2jsLnQzu6Aw9tVQfpHHlBqy9PMMXHezR4R5+nr/HtDQ==
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

2026-09-17T10:37:04.554507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063999
observed b8a37cc71464ecf61e9a78fe6ee81922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.536997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063999/manifest.json
observed b053b87e0cb1a0729ca4151e271aebfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.519867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063999/publication.md
observed 45aa1d3488cc08af236046f0ddceaa6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.502270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063999/publication.txt
observed 834622750720517e4727dbf38ec5676c...
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.