OpenTechnical

OT-2026-000050853

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000050853) never changes.

Identity and time

Publication numberOT-2026-000050853 · never reused
Internal UUID01a0ae82-c7b2-75a3-b031-3b97ed60b5ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050853
StatusPUBLIC

Content hashes

Canonical texta05e1390e55a490d86090bbc94423363a69c79d30aaaf808464f7fa5b96e6b1e
Markdown3cdad93d8c036e4ecc4529bf45485150dd67550b3f2bdd04409966c34a6b2b8b
PDF
Publication pagee270f7098a4e7951ecb6b85cb6fa55b586a3e6314f2e680813bedfa8628dce37
Manifest7323fce69a2f87c8b02e3e9eb5d873e2f4a5781982944d2aed2f2a8c352db371

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
SignaturekIHFPGWLop9nwjBJmLmEG0L9FFwh1uDzrcKJFOoko6whCqPGeoEb84QJ9C/0KuSJpeGSSO/lAR7eitVPJBMABA==
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

2026-09-17T11:00:25.590152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853
observed e270f7098a4e7951ecb6b85cb6fa55b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.588039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853
observed e270f7098a4e7951ecb6b85cb6fa55b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.556167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853/manifest.json
observed 7323fce69a2f87c8b02e3e9eb5d873e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.556027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853/manifest.json
observed 7323fce69a2f87c8b02e3e9eb5d873e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.533920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853/publication.md
observed 3cdad93d8c036e4ecc4529bf45485150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.530103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853/publication.md
observed 3cdad93d8c036e4ecc4529bf45485150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.509862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853/publication.txt
observed a05e1390e55a490d86090bbc94423363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.507752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050853/publication.txt
observed a05e1390e55a490d86090bbc94423363...
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.