OpenTechnical

OT-2026-000050813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000050813) never changes.

Identity and time

Publication numberOT-2026-000050813 · never reused
Internal UUID01a0ae82-c7b2-71ff-86ec-c1e9aea22b24 · 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-2026-000050813
StatusPUBLIC

Content hashes

Canonical textc59ba39b4457cedb417c6ed498d39b50c5bb3bc56ac8a9197c6ef24ee101309f
Markdown86cc8de2ade8420320b6348771793a24651b11609e54ec114fd0e6b7c86b6a62
PDF
Publication pageab45babf512a54b22fff7796f2b83ca302a6b3cc93f70c460e71afbb39473eaa
Manifest57049c2dfb051b80a06122de13be1c4f042185f36244399febdd715732fad551

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+/zHqzejPfQR71c1NaEXTz1Y5+IfGOaiBRbBxYVdUricegJrlOiivRdBO8l1fX+4uw/4zSU+u0Ijmr2cIa2ZAg==
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

2026-09-17T11:00:21.459863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813
observed ab45babf512a54b22fff7796f2b83ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.432279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813/manifest.json
observed 57049c2dfb051b80a06122de13be1c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.404491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813/publication.md
observed 86cc8de2ade8420320b6348771793a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.381279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813/publication.txt
observed c59ba39b4457cedb417c6ed498d39b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.367067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813
observed ab45babf512a54b22fff7796f2b83ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.342158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813/manifest.json
observed 57049c2dfb051b80a06122de13be1c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.315109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813/publication.md
observed 86cc8de2ade8420320b6348771793a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.283716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050813/publication.txt
observed c59ba39b4457cedb417c6ed498d39b50...
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.