OpenTechnical

OT-2026-000049196

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000049196) never changes.

Identity and time

Publication numberOT-2026-000049196 · never reused
Internal UUID01a0ae81-134e-765d-9ee8-72ab9c2ac71f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049196
StatusPUBLIC

Content hashes

Canonical text00bd0ec7fc32bb95df4be455b11536ca55f9bbbab149b55f1fdbba414e71cad1
Markdownfb44890245b01d8c446f3864e4ae1e8fcb217339d6c640a70ed718c8962aa113
PDF
Publication page85ff9d9f0b81e0099b5fc616f2e16d5344699055c735ec0e7c71eec5e0eaddbd
Manifest54d882f3e6b20275b36daa22c652ac8e987d6b352210eb51c258e2339f838044

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
Signatures5/DmMjRFyJu12iuv+TjecqFtVO8cN2E1aHTGqI87vmffb+H9PXQESvowB3Gy6dA4yizgDOu+XRNQY1NSxBJBQ==
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

2026-09-17T11:04:00.434885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049196
observed 85ff9d9f0b81e0099b5fc616f2e16d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.413301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049196/manifest.json
observed 54d882f3e6b20275b36daa22c652ac8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.394015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049196/publication.md
observed fb44890245b01d8c446f3864e4ae1e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.375301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049196/publication.txt
observed 00bd0ec7fc32bb95df4be455b11536ca...
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.