OpenTechnical

OT-2026-000079662

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079662) never changes.

Identity and time

Publication numberOT-2026-000079662 · never reused
Internal UUID01a0ae96-0b93-7708-9b24-5f15bd48c8e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079662
StatusPUBLIC

Content hashes

Canonical textab7f03b8ad001eb3882385620abd8275d8180533d3d45503d73fff28f6ec9c7d
Markdown84c048fe4b8e0b9efe4228b4de904a44366fdd8f50a8990bf00a4538e3745e7f
PDF
Publication paged01aa2e3e7234db5462212268d1ade1c9ed4a800318c4330b39537e0dfc94a3c
Manifestd6ccee037f29056e92080304f491181d072b01f7b29d56b079853b489a243e6d

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
SignaturetyTPzk+apu69wo/QeNJ7E1FFYJbKn+51wZbo4fGJC1k1dPUnyooiO+K+YquvfAo/wmZtPSgHtdavAqglDSmlBQ==
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

2026-09-17T10:05:19.695477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079662
observed d01aa2e3e7234db5462212268d1ade1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.679230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079662/manifest.json
observed d6ccee037f29056e92080304f491181d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.661106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079662/publication.md
observed 84c048fe4b8e0b9efe4228b4de904a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.644518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079662/publication.txt
observed ab7f03b8ad001eb3882385620abd8275...
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.