OpenTechnical

OT-2026-000102558

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102558) never changes.

Identity and time

Publication numberOT-2026-000102558 · never reused
Internal UUID01a0aea4-858a-78a9-b38c-0d231add8dbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102558
StatusPUBLIC

Content hashes

Canonical text061891240edc59e10c8d89511f2cc21f894236f849d8cb32e41219afefff9597
Markdown4cf405190294b050606cf98c38c56576ac9474b844d129818b70f1359f1f4e04
PDF
Publication page8d4ee40da67aeed85608f10f4bc9fc5f0ff5621e55fe57ac268086bef1816ea5
Manifest283d5c0f308338c50aa956c3c9a90b9057bc575453e180a3f324d5f34c7a23cb

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
SignatureS6E/YcWkPQHjq10BJnkZ97ZheH0n/qWzBElJJRU4R1xRP/iSMRgt113Fb3mrbgFxQ6YpGC6SjMh1quARKzCmCQ==
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

2026-09-17T09:24:02.311425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102558
observed 8d4ee40da67aeed85608f10f4bc9fc5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.292939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102558/manifest.json
observed 283d5c0f308338c50aa956c3c9a90b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.273849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102558/publication.md
observed 4cf405190294b050606cf98c38c56576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.255662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102558/publication.txt
observed 061891240edc59e10c8d89511f2cc21f...
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.