OpenTechnical

OT-2026-000070321

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000070321) never changes.

Identity and time

Publication numberOT-2026-000070321 · never reused
Internal UUID01a0ae91-545e-78e7-9ac0-088011cff07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070321
StatusPUBLIC

Content hashes

Canonical text647f380d09986077249ef4f4ad94331d787a786ada62af18ce724d2a0d873e31
Markdown0388724c5ae83bf183c70b4b36ccea145ace98188768640639340c47197f404f
PDF
Publication pageced7d220c47d121e2e5926d381d9a0a2e5d0c07b3e5c1e851b060f5ccc42fa5f
Manifestabe4549e3ea4b9e1bc31b2852bcc9396a11b465028d9965d684946dcafaab822

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
SignatureXxcl5CM5aAlp80c8SNOxekvtqGG6+5tl271FWc+ecNBmzrf0FTctVjruXg1YsxiC0dybcfnMdYGpjETaEEjODg==
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

2026-09-17T10:26:06.696338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070321
observed ced7d220c47d121e2e5926d381d9a0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.679755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070321/manifest.json
observed abe4549e3ea4b9e1bc31b2852bcc9396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.662861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070321/publication.md
observed 0388724c5ae83bf183c70b4b36ccea14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.646321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070321/publication.txt
observed 647f380d09986077249ef4f4ad94331d...
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.