OpenTechnical

OT-2026-000063416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000063416) never changes.

Identity and time

Publication numberOT-2026-000063416 · never reused
Internal UUID01a0ae8c-f944-7414-926b-84ddca874729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063416
StatusPUBLIC

Content hashes

Canonical text9cadbbd22e710c8d5cfbbe3b7cbce0282319576460ac24b4f7a30c850ff3ec68
Markdownfda8283c8d1a0050f4410443c3ba6cdc34cdac042854d32fafcc451d078cb069
PDF
Publication pageacb125918cbd730d14227a1adb0c2ea8db859e71bc2e49fe73d5bfec2398e6d7
Manifesta719e4b2ffc561d693913a04cc68c5f7636db659ed8a1df5db5cd257b92b586b

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
Signature+/j5n8h5WMtjoIBHXRGI5t3u5+WRFB9Ql3QKLU4aKQv/4i3zZ63FBjD5/lkfY+IaEf7GPBLkuOMPqz7jAU0YCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:20.249872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063416
observed acb125918cbd730d14227a1adb0c2ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.232939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063416/manifest.json
observed a719e4b2ffc561d693913a04cc68c5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.214404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063416/publication.md
observed fda8283c8d1a0050f4410443c3ba6cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.195698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063416/publication.txt
observed 9cadbbd22e710c8d5cfbbe3b7cbce028...
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.