OpenTechnical

OT-2026-000050580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000050580) never changes.

Identity and time

Publication numberOT-2026-000050580 · never reused
Internal UUID01a0ae82-5c49-7b76-a04a-832d6da273fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050580
StatusPUBLIC

Content hashes

Canonical text4997444c937ced48181643e505c2902d22f1ff25560e036fe525f1837893309a
Markdownb54eb5e684fb8b0f9255ab4deab4d23846f54ef20a95fb1431db8c0524986ee2
PDF
Publication page165b15eebb9e926936946097d1afd5ab0eff8c72e5addce2e13cc403cb65acc9
Manifestd2a5c02b287a714a9ebaacaca71496743a559465735b56e8aa5ee04ce6e15e66

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
SignatureidBmYdHyrUHHaIazMzJloWQmLUGLa8yTpfAOmuWxcyY7TIbLu2Lgu5/w1CN/n4Z2M15H96V6I3vFdNDpCPVPDw==
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

2026-09-17T11:01:40.928472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050580
observed 165b15eebb9e926936946097d1afd5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.911455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050580/manifest.json
observed d2a5c02b287a714a9ebaacaca7149674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.895824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050580/publication.md
observed b54eb5e684fb8b0f9255ab4deab4d238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.878328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050580/publication.txt
observed 4997444c937ced48181643e505c2902d...
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.