OpenTechnical

OT-2026-000086064

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000086064) never changes.

Identity and time

Publication numberOT-2026-000086064 · never reused
Internal UUID01a0ae99-e82b-72bc-bd0f-3a828d3d4330 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086064
StatusPUBLIC

Content hashes

Canonical text6b01b1f79a2392a6604e0540efee0c5601bd3d6f4b47a55b8491ccdea8dd467d
Markdown8c0443c5fa3fe1c4b73bf74a4c50cedc89bd0bc12c5d7a4c819f39eb26b10284
PDF
Publication page5feac7d928a5230b19f763e915ab95f00eef1ac1877e4820c691bde02f9c926b
Manifest31a0e368cda448af1c6b04ab5843e29c614b1edc0d7fb963b2c85d997807f62d

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
Signaturey0KSU0q/gD88qZ4cLH7im9PySn0wQxprlZ3doqCEpL2gVMWetj9o0SuIuWUC5B73kgisBjZEw8tRRINQ2v1dDQ==
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

2026-09-17T09:53:03.724467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086064
observed 5feac7d928a5230b19f763e915ab95f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.703482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086064/manifest.json
observed 31a0e368cda448af1c6b04ab5843e29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.687222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086064/publication.md
observed 8c0443c5fa3fe1c4b73bf74a4c50cedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.671215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086064/publication.txt
observed 6b01b1f79a2392a6604e0540efee0c56...
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.