OpenTechnical

OT-2026-000022277

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000022277) never changes.

Identity and time

Publication numberOT-2026-000022277 · never reused
Internal UUID01a0ae6f-f4fc-7cd8-8686-1910fa1966fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022277
StatusPUBLIC

Content hashes

Canonical text6608801a4007fed14c3a2822811709de7234e0e770538ffb8c3cd8a73948d94a
Markdown770c17dbd6b3de9e21f54e8fbb5006e9a501ec2ea371702b300c517c0bf2bb43
PDF
Publication page0e64905371769d2990559737f390b4e524fbd30ac108165af17874e9358cc356
Manifest112f5f49328c3f44ae2c0885897ca3b4329bb15a836ba7644460e207b8f29b79

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
Signatureoqo3to2Awn2KWeREaJyY04PqO5clEMveXQVYv0l18aBavGCeL45CYup1zhFkVUMXyffdVhRAYSl1oCjN5DraBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:04.681237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022277
observed 0e64905371769d2990559737f390b4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.665151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022277/manifest.json
observed 112f5f49328c3f44ae2c0885897ca3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.647076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022277/publication.md
observed 770c17dbd6b3de9e21f54e8fbb5006e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.629714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022277/publication.txt
observed 6608801a4007fed14c3a2822811709de...
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.