OpenTechnical

OT-2026-000079300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000079300) never changes.

Identity and time

Publication numberOT-2026-000079300 · never reused
Internal UUID01a0ae96-0b90-7270-b046-87833b15e066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079300
StatusPUBLIC

Content hashes

Canonical text033d74d84bfad4ae9a4463123d2d423e9b764fa58d62366c4f89d733bdc3f5d6
Markdownaa1127a9bf5fd18afa4e01eaacf617e1ec8af01d6a72efe1dfed55e7b7786944
PDF
Publication pageeb6d4b523e66b38937c89745148dcd8faf32ec02fd98fd07428be7c12112f96c
Manifestdd218bfbef430c6028ae287e2c17f9863443185508de40662c37f1eec8d47153

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
SignaturetNnOswyDhiCBp6oP4vdmLcwuikFSHkQry0fIY0YpfQERWIbbILHriqo8ARxxFVSu9gw3o0EHDLSrH02kYK9CCw==
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

2026-09-17T10:04:54.648936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079300
observed eb6d4b523e66b38937c89745148dcd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.631144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079300/manifest.json
observed dd218bfbef430c6028ae287e2c17f986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.611991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079300/publication.md
observed aa1127a9bf5fd18afa4e01eaacf617e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.594899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079300/publication.txt
observed 033d74d84bfad4ae9a4463123d2d423e...
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.