OpenTechnical

OT-2026-000050888

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000050888) never changes.

Identity and time

Publication numberOT-2026-000050888 · never reused
Internal UUID01a0ae82-c7b3-7c53-9147-e60e5c6cec26 · 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-2026-000050888
StatusPUBLIC

Content hashes

Canonical text2a96d7c8e57c8f2da7458a4dceb95b8f782f1f2f2d8d217b9a5c23ab3f586c39
Markdown49a7380c9c578657d025e610403fa492ccc2da4cc57fd6b0733d3f54342b78b5
PDF
Publication page48aa7f5d36bc53c5d3d9342d36c3b480879b4f99fd1ae6f35081ef9f6dc77fa2
Manifest47f36933a1be8a3af19a53db471d6abe2774745ce69dd7afa1ca4c44a2043b8f

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
SignatureEVGOf2Xs3nBmTh4hsw+gRlB2ih3wBfEC6/RwsN6UaRtTUxYTo9WZocHhQh9dK1Ag3qhTVYRSD2WV7dzUZ7oCCw==
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

2026-09-17T11:00:37.511226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888
observed 48aa7f5d36bc53c5d3d9342d36c3b480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.485406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888/manifest.json
observed 47f36933a1be8a3af19a53db471d6abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.464494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888/publication.md
observed 49a7380c9c578657d025e610403fa492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.443078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888/publication.txt
observed 2a96d7c8e57c8f2da7458a4dceb95b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.392766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888
observed 48aa7f5d36bc53c5d3d9342d36c3b480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.367940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888/manifest.json
observed 47f36933a1be8a3af19a53db471d6abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.349203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888/publication.md
observed 49a7380c9c578657d025e610403fa492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.322807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050888/publication.txt
observed 2a96d7c8e57c8f2da7458a4dceb95b8f...
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.