OpenTechnical

OT-2026-000055497

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000055497) never changes.

Identity and time

Publication numberOT-2026-000055497 · never reused
Internal UUID01a0ae86-a102-77f2-b651-8bb18c8f8ae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055497
StatusPUBLIC

Content hashes

Canonical text1c228c945426250226d8879bd25d74f7174220e42a340627f2d1f198eb967d45
Markdown433e3e2044e4a6e9baec722af35dcee37159e45d7b4e1cecdbee1dbf1f303a11
PDF
Publication page63396d6daf3f0c73cd231d996434ceb4af69fa023bb745cc248dadc8b23dd033
Manifestdfbbc2918fc3071cee70d6bb3c9c1aca130c4fa1bfdaf1bba3244b4beae73f6a

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
Signature3zbx+nhuYkS8qdn0y3UkcXfL8LMkt9Hyzwq7WKmnGNS8iGTPtpfcJEkyVQoJlNAO2N+CKjOxMYD6Ovew0QTlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:10.027093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055497
observed 63396d6daf3f0c73cd231d996434ceb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.008530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055497/manifest.json
observed dfbbc2918fc3071cee70d6bb3c9c1aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.989646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055497/publication.md
observed 433e3e2044e4a6e9baec722af35dcee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.971120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055497/publication.txt
observed 1c228c945426250226d8879bd25d74f7...
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.