OpenTechnical

OT-2026-000050017

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000050017) never changes.

Identity and time

Publication numberOT-2026-000050017 · never reused
Internal UUID01a0ae81-fd78-7ddc-9423-89faa555b8ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050017
StatusPUBLIC

Content hashes

Canonical texta4965ec7f0d5e8afbf4c3b901733d217ccc92fa45d940c608567f548b3b2d044
Markdown1fbcf37aa827999c6acc7e57bd136e8fd31e56427963e1b41708cef611416f23
PDF
Publication pagee3635a88869288fd543b41b6cfadded7542b3952580a8fb8396f04c91c54e092
Manifestacb8a942521be88840f20b4e6b6964d3c542d32331c87d42efec08512a0b365b

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
Signature6ZNsNp52ue6lTD51bvRorILviLnVh4Umt9wU3yXJ3ET3+yz2dkw2NbJOkAAfVVO4ljmY1QeQ5yjo/Nep24yZCw==
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

2026-09-17T11:01:58.983577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050017
observed e3635a88869288fd543b41b6cfadded7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.965590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050017/manifest.json
observed acb8a942521be88840f20b4e6b6964d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.944942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050017/publication.md
observed 1fbcf37aa827999c6acc7e57bd136e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.927593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050017/publication.txt
observed a4965ec7f0d5e8afbf4c3b901733d217...
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.