OpenTechnical

OT-2026-000031116

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000031116) never changes.

Identity and time

Publication numberOT-2026-000031116 · never reused
Internal UUID01a0ae74-87aa-7bf8-b601-d2a63200cf54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031116
StatusPUBLIC

Content hashes

Canonical text80a7e1c3f8cc979f5a69de6d3a4c1cebdbadc65a8df5be5b6fe26a8c73ecbc4e
Markdown2973856b6ff9c77514d6a0030fc9ad766eaea71ced2eb0c0579b3908e21d9d80
PDF
Publication page1a48357f6a33f93e7ecca7bf87d014a14b653e6b299e7255f16a03803ec4e073
Manifest1275015b43790394a52b0f086a35e73f7fe601c298ec4b9faa4ede6535e628c4

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
Signature+Li5h+lJrbkFE+WlJuvG85Cy4859YErfleboX1p4tV3ISaVUVEYaS8QCi4QnETjIMByfhEcW6CExfXN2EESWCg==
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

2026-09-17T11:35:32.985686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031116
observed 1a48357f6a33f93e7ecca7bf87d014a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.966121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031116/manifest.json
observed 1275015b43790394a52b0f086a35e73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.948433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031116/publication.md
observed 2973856b6ff9c77514d6a0030fc9ad76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.930793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031116/publication.txt
observed 80a7e1c3f8cc979f5a69de6d3a4c1ceb...
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.