OpenTechnical

OT-2026-000091876

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000091876) never changes.

Identity and time

Publication numberOT-2026-000091876 · never reused
Internal UUID01a0ae9d-43ba-7d7c-999f-6b76f2a3bcab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091876
StatusPUBLIC

Content hashes

Canonical text83a3c5d2c132d4d73a00022203eb0844ea3f8e6e3f4fea50cb5a10e845d12d32
Markdown8311d329b42887ea32f0f9d4d957dc1ad8ba642ca74e5c10e4648469433e64ca
PDF
Publication page9e76f6de18259e416b0d32527e0230acc7c02c71e2d1185ee9b9a87510eed413
Manifestef0187285bb9ac143032ae9cd955a1f0cb83ed816c86b49c53e0a68c516cfd95

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
SignatureAf4Hj0C2b6km9kxdl09oaypepWx/sCJkufUjb3EiA4zPZqoobaONi/FoifX1gpsmMoqE1ZpETtBm6zv09MTABA==
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

2026-09-17T09:42:48.167561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091876
observed 9e76f6de18259e416b0d32527e0230ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.152722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091876/manifest.json
observed ef0187285bb9ac143032ae9cd955a1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.135101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091876/publication.md
observed 8311d329b42887ea32f0f9d4d957dc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.118599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091876/publication.txt
observed 83a3c5d2c132d4d73a00022203eb0844...
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.