OpenTechnical

OT-2026-000050980

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000050980) never changes.

Identity and time

Publication numberOT-2026-000050980 · never reused
Internal UUID01a0ae82-c7b4-7a1b-aaaf-942e7b40ae20 · 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-2026-000050980
StatusPUBLIC

Content hashes

Canonical text3fb081dd7a73205ff384db40fdf639b5cde84227f1a3c7324297729a17ee92ef
Markdown955b8b8c0dee72709d435e5703e54873e724b0d7916c7ac2577729797fad9483
PDF
Publication pagea501c64b522e13f1913e60eeddcdef149f9f8813934478ffa8c0ac94e6c64922
Manifest6af9b3e3125f585ca2523489fd59ede4d2c956478203b0bf343cd53aa22d3caa

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
Signature3TbC/bQrwJTP2m6EPBnDs4lFDd0njBdGfiRXffDXnlR1NZUYBd1ucH/ysF59FfPZvh6hrnlnSuwxDjUPBPbuAw==
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

2026-09-17T11:00:52.290785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980
observed a501c64b522e13f1913e60eeddcdef14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.269631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980/manifest.json
observed 6af9b3e3125f585ca2523489fd59ede4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.251463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980/publication.md
observed 955b8b8c0dee72709d435e5703e54873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.233037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980/publication.txt
observed 3fb081dd7a73205ff384db40fdf639b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.208762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980
observed a501c64b522e13f1913e60eeddcdef14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.192018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980/manifest.json
observed 6af9b3e3125f585ca2523489fd59ede4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.172754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980/publication.md
observed 955b8b8c0dee72709d435e5703e54873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.152208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050980/publication.txt
observed 3fb081dd7a73205ff384db40fdf639b5...
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.