OpenTechnical

OT-2026-000080548

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000080548) never changes.

Identity and time

Publication numberOT-2026-000080548 · never reused
Internal UUID01a0ae96-7e79-78a5-a79a-1afdb31c1d60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080548
StatusPUBLIC

Content hashes

Canonical text820cdd0aef7752e3a03306fe4b165a04e0c428368898992be6e613380a17dff3
Markdown6d95f38f688a630f8b14e3fd6abad0b1cb930ab7748753286ea7397f3d843497
PDF
Publication page5517adf92e9b2df173ba8f18cedacbf3b7e03b34289c9515b711bf239d2ae937
Manifest128d527d43564aae5b6837d9ef8c3cca9f8bfec1e789d49f66c25311eec74e77

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
SignatureIcPEQvVC3o9vlsXHejAS7mqmi1E1IbiOkBxxrUzqwiOom/IxDc3FzGxVmqo8NNyc28+GsdjYv441074uyJfxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:10.610102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080548
observed 5517adf92e9b2df173ba8f18cedacbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.591161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080548/manifest.json
observed 128d527d43564aae5b6837d9ef8c3cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.569230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080548/publication.md
observed 6d95f38f688a630f8b14e3fd6abad0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.549821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080548/publication.txt
observed 820cdd0aef7752e3a03306fe4b165a04...
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.