OpenTechnical

OT-2026-000022597

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000022597) never changes.

Identity and time

Publication numberOT-2026-000022597 · never reused
Internal UUID01a0ae6f-f4ff-7bcb-99c2-79136cd8ad90 · 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-2026-000022597
StatusPUBLIC

Content hashes

Canonical texta041a9491c684b0a6d02cbfaaeea6da24e8099f0baecfc297d333538a74dff4d
Markdownd8f84eb1a0fa2974b5afcfe07840f0893707fe279e69d75d116cefff301ab5f0
PDF
Publication pagee1311b7ca9327f0b479ad416e0c13135774bbd7960a7bde0d747f423b9ec064b
Manifest6a823a53e462ceba2feefc09231729d0cbe947a041b7da8f8f0f9a8f186f3a9a

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
Signature3iErH1Xb8CCfqVfCa1MzodOsV7Tra0kz4CmT3UQciPWwJRhOGHYrbNaXFIM7tU/FZQ06WPXUJVAKJxdCED4ZCQ==
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

2026-09-17T11:54:02.615009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022597
observed e1311b7ca9327f0b479ad416e0c13135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:02.596930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022597/manifest.json
observed 6a823a53e462ceba2feefc09231729d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:02.579739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022597/publication.md
observed d8f84eb1a0fa2974b5afcfe07840f089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:02.561484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022597/publication.txt
observed a041a9491c684b0a6d02cbfaaeea6da2...
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.