OpenTechnical

OT-2026-000037156

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000037156) never changes.

Identity and time

Publication numberOT-2026-000037156 · never reused
Internal UUID01a0ae77-7741-7ff1-b4ea-8ceabd8c66ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037156
StatusPUBLIC

Content hashes

Canonical text5319a79f2e1802a5963ad634e10478266fb81fa8e4070026260c366714ecb9fe
Markdownea7b8e5a576c6584f12395c13dcee9f46a83d79a1ca9a8d95b86027b5c53193f
PDF
Publication pageff7b74eac45cf959b52ba18fe1ad0d4c3f6e6b2a6b329a88b98df359be9f7082
Manifesta75034dd313e46ab5509552d49ff0131ac36ef9a447d62d55f9fc576f8d04b01

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
SignatureyKChNWWMWCtoh3/QzD2fqfaSR3Vz8dMyn0v1TxHkaTtubeXAKaLo2SriqTtRXGVJSPAT4QJl7P2deF5GTHMgDA==
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

2026-09-17T11:25:02.453274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037156
observed ff7b74eac45cf959b52ba18fe1ad0d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.436301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037156/manifest.json
observed a75034dd313e46ab5509552d49ff0131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.420345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037156/publication.md
observed ea7b8e5a576c6584f12395c13dcee9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.404473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037156/publication.txt
observed 5319a79f2e1802a5963ad634e1047826...
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.