OpenTechnical

OT-2026-000048376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000048376) never changes.

Identity and time

Publication numberOT-2026-000048376 · never reused
Internal UUID01a0ae80-4de4-779e-8fe2-f75ef2e5994d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048376
StatusPUBLIC

Content hashes

Canonical text2222d8a09bf5514b9003f6c54933faf0f95163098f02f3189c1ab763f1ff8fc9
Markdown8957df80201b3e5d5686cc91b07db19d3aa64bbf16d9225d7056b4cb2de4ad6f
PDF
Publication pagefa589c3300b5b37fdf5f479f9c78d2e8ac275cef9cbea26442a19c1cc6802039
Manifeste19bcff2976c9e4c20452055a9c95eaf0c6f9a58422ca20dd1a955d5dc3b161a

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
SignaturesSckhU3f2Aw6RMcIAqpMZ12NxBb6B3wQsxZBdlHghcNHonVIG/IN6BMO9397afrjzy27eHGt1zIg+K47int8Dw==
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

2026-09-17T11:05:00.167675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048376
observed fa589c3300b5b37fdf5f479f9c78d2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.145146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048376/manifest.json
observed e19bcff2976c9e4c20452055a9c95eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.122145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048376/publication.md
observed 8957df80201b3e5d5686cc91b07db19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.099445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048376/publication.txt
observed 2222d8a09bf5514b9003f6c54933faf0...
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.