OpenTechnical

OT-2026-000104029

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000104029) never changes.

Identity and time

Publication numberOT-2026-000104029 · never reused
Internal UUID01a0aea5-341e-731f-9c60-ee60e8e1fbed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104029
StatusPUBLIC

Content hashes

Canonical text428a188c9c7dcc61f21322d88da88e74f823c2541382025a64ebdaabb730835b
Markdowncf22b1d857a2ef316948938d299dabf444c67df71b4d198347100a0b13b011db
PDF
Publication page25abd66da2f2ef42e25cbac70f673f456136ec8463fe76d802ba3f9dd0775d26
Manifestbe35133b1e92a4c54c0c64862aacb9db19b703ab73e89fd25099efad5c787418

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
SignatureJGAyZ4wwb6KTLEyJOeOauPolXJPnJmobC6iszEzBfpdlr+vIEKZROLinuNlPfKcASLEn2oODuyP4sQRiD15fDw==
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

2026-09-17T09:20:05.493692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104029
observed 25abd66da2f2ef42e25cbac70f673f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.475728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104029/manifest.json
observed be35133b1e92a4c54c0c64862aacb9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.458861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104029/publication.md
observed cf22b1d857a2ef316948938d299dabf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.442413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104029/publication.txt
observed 428a188c9c7dcc61f21322d88da88e74...
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.