OpenTechnical

OT-2026-000034160

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000034160) never changes.

Identity and time

Publication numberOT-2026-000034160 · never reused
Internal UUID01a0ae75-df0d-7cd0-bb75-b07d0041c6db · 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-2026-000034160
StatusPUBLIC

Content hashes

Canonical text17a397149850848624012fd163793b4316e3907a76d21d0dab181cd37bd9127e
Markdown0636183ddc7627d5ea297d97c3728efa35078b1df88af75bd52a2e930ff59cfd
PDF
Publication pagef21d17929a385dfeaec237a61b89d316efd9a4bd4eb2b03f9e0c5d6221c61d93
Manifestefca7816640fc86a75a1f2fe1a79fc4f88b946609d894d66bd74e65fa0853478

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
SignaturezIqXEAOKtfhx4BqlGV3x3nFGZ+P2Ld0CJQDJJ7UmRJQrkqCDeOp9BKV4pLgBlCOj/N9t2gggHrG14nQ6UjK9DQ==
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

2026-09-17T11:30:33.938203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034160
observed f21d17929a385dfeaec237a61b89d316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.922308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034160/manifest.json
observed efca7816640fc86a75a1f2fe1a79fc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.906535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034160/publication.md
observed 0636183ddc7627d5ea297d97c3728efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.889486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034160/publication.txt
observed 17a397149850848624012fd163793b43...
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.