OpenTechnical

OT-2026-000027763

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000027763) never changes.

Identity and time

Publication numberOT-2026-000027763 · never reused
Internal UUID01a0ae72-a4a4-7916-9988-67d14d0329d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027763
StatusPUBLIC

Content hashes

Canonical text20ce199176cd604afd45c5eff51f1c6ddcc76dc121ca65478572cee74d19b41d
Markdowneb4fd2d8f62c3776f8c6369c3886ab4319586d52417b1ee3c421b554e45684f1
PDF
Publication page035878b6b00f779db2351b14e6d339437b7addd88cd33537a9103a24eee97f03
Manifestae9360153efce1d9c0094570e3326fec757972c0d83175a3142754f5f24c5da1

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
Signature3A2W0WcYHj6XWRbUH/kOzdg8fssVi5fuBdTHxo70HAcqwlKf6cKNY7vn869nY5CpE8DuNtFoUAxQyYsCNWlgBQ==
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

2026-09-17T11:41:48.252237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027763
observed 035878b6b00f779db2351b14e6d33943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.233683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027763/manifest.json
observed ae9360153efce1d9c0094570e3326fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.213967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027763/publication.md
observed eb4fd2d8f62c3776f8c6369c3886ab43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.195298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027763/publication.txt
observed 20ce199176cd604afd45c5eff51f1c6d...
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.