OpenTechnical

OT-2026-000033972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033972) never changes.

Identity and time

Publication numberOT-2026-000033972 · never reused
Internal UUID01a0ae75-df0b-75f1-8f63-e079abba0781 · 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-2026-000033972
StatusPUBLIC

Content hashes

Canonical text35a4d811f290a01d880582298d7f104a0fce998572049f3673b5be049dd5c2be
Markdown7780fe0dad839ebcc6e8a00a894c2d1d4d638f202b43990ae0eb9527965634de
PDF
Publication pageffa516c15a69d868c61539e1580a977b165416965b7fc40403d8a903de15875f
Manifestfd8cd41cb7abba7b76c5b8b9d4ed3426fb889f12b4f4a92b2cee00bb73ded498

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
Signature0Y0czjvfUDtsYdZa1oo9JIwx+BWW7O1lnUGu4m4roQDUuYNf7cyFu4VCS9QJRFiEbKw8sENr0dzjnAOZOONOCA==
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

2026-09-17T11:30:06.262570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033972
observed ffa516c15a69d868c61539e1580a977b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.241659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033972/manifest.json
observed fd8cd41cb7abba7b76c5b8b9d4ed3426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.220000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033972/publication.md
observed 7780fe0dad839ebcc6e8a00a894c2d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.188834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033972/publication.txt
observed 35a4d811f290a01d880582298d7f104a...
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.