OpenTechnical

OT-2026-000099712

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000099712) never changes.

Identity and time

Publication numberOT-2026-000099712 · never reused
Internal UUID01a0aea2-c977-7ed6-9066-1620a43eedea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099712
StatusPUBLIC

Content hashes

Canonical text93420218a197d63bbf03572866ead274797a5c4e1896b1105b40143a8d769974
Markdowna53259fa5dc9b47e39afb776d5762ce12436e464154850f42b74db5151821f05
PDF
Publication pagef400eb3a5fa45bff80e41a228e6c81f6df7f581dfdc0689fb0e53c4f10dd6a4a
Manifest1d9f220588a8e477274fa886c3f8390769a119d765ec832760400097abead4bf

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
Signature5SxylUzAJfXOSnbfeIFexDDYgNPh+/Hv7wLIYaey0K2Q7EnghsNN7qcEo5CFptkmkCeMj7ViKxlGZrDs/zaJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:43.741392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099712
observed f400eb3a5fa45bff80e41a228e6c81f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.724432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099712/manifest.json
observed 1d9f220588a8e477274fa886c3f83907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.706329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099712/publication.md
observed a53259fa5dc9b47e39afb776d5762ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.689439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099712/publication.txt
observed 93420218a197d63bbf03572866ead274...
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.