OpenTechnical

OT-2026-000008161

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000008161) never changes.

Identity and time

Publication numberOT-2026-000008161 · never reused
Internal UUID01a0ae6a-908c-7ca1-ac3e-dae148ede252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008161
StatusPUBLIC

Content hashes

Canonical text5db5da89803463a17c14e716df6654a5656860ee5b27ae7ab2714539d00dcb28
Markdownad41cf4530b8d554fe9d35ed90b7fc842d0d29eb86c2365bb53582d9dc4683b8
PDF
Publication page8e16e3291abdf7e1d00421c80334df3e15e2999543a57f47aa8bf327c66a7eb8
Manifest8a10738928a1b998aef72928459b99d0497ca0bdbacb8db6cb4ba2a94522e244

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
Signatureh5P094M0IuURI/k+l/3LZz5QYzLbN2V5/8aKlURbpvxgQPWt0vmowCfOSs0xXTCfs84KhNj+9vEgxFmJCuX2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.337576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008161
observed 8e16e3291abdf7e1d00421c80334df3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.319825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008161/manifest.json
observed 8a10738928a1b998aef72928459b99d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.294636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008161/publication.md
observed ad41cf4530b8d554fe9d35ed90b7fc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.276331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008161/publication.txt
observed 5db5da89803463a17c14e716df6654a5...
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.