OpenTechnical

OT-2026-000021463

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed 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-2026-000021463) never changes.

Identity and time

Publication numberOT-2026-000021463 · never reused
Internal UUID01a0ae6f-865d-7c59-bea2-80014b0f4924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021463
StatusPUBLIC

Content hashes

Canonical texta35c074a3be3884e0ca8d36934cbf1e463267a3029d16c8e546d82e70e24c5cd
Markdown008ef5d05c961364d92100c9f90da1f3aa1daa01b39d5b35780042b4752173a9
PDF
Publication pagec98d75e1752fe997c5be26e35a2642dc5ecc4190df0154d1f021c8908ddb5b63
Manifest729abb05dc9c04ebdc5cd9a48d90b8d486fe1d8f157b7dde93e9d8f48c48da4e

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
Signaturee3MuXeSdUjZQsXb9SbwJgeQkLJDMO6bsYvKttUjGqsnr438Wp158AhNlkpTeQz2yK0VU05D+rF0kxrmi7aKJCw==
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

2026-09-17T11:55:22.660069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021463
observed c98d75e1752fe997c5be26e35a2642dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.642502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021463/manifest.json
observed 729abb05dc9c04ebdc5cd9a48d90b8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.624938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021463/publication.md
observed 008ef5d05c961364d92100c9f90da1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.607397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021463/publication.txt
observed a35c074a3be3884e0ca8d36934cbf1e4...
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.