OpenTechnical

OT-2026-000034344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000034344) never changes.

Identity and time

Publication numberOT-2026-000034344 · never reused
Internal UUID01a0ae75-df0e-7864-a784-541c38ecc686 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034344
StatusPUBLIC

Content hashes

Canonical textda47c373a75f379c25651a79a2ed742a365f7b12eb53877b0e9f13e189348f96
Markdown33af8fffab04dfff15af1dad15fca0558194208d5dd89fc91b32f926c1db855c
PDF
Publication pageffeaec6bac31d612da8d56612e45f048e822df16cbe254660445ee30656f4d94
Manifest66ca7a9817d9e36fe68b91721b2c8e750cb0c9b3f92eb42da6eb2637c9a3080e

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
Signaturesaehh7m2Nm1eGlyikHTCF6UO3+lVnrmcp+mPN9PkWIExOMT4ByciuUh8W0QSWishyNZzG7wMvpvdzuDH3a9ADw==
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

2026-09-17T11:31:02.640675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034344
observed ffeaec6bac31d612da8d56612e45f048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.622993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034344/manifest.json
observed 66ca7a9817d9e36fe68b91721b2c8e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.603095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034344/publication.md
observed 33af8fffab04dfff15af1dad15fca055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.583155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034344/publication.txt
observed da47c373a75f379c25651a79a2ed742a...
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.