OpenTechnical

OT-2026-000018705

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000018705) never changes.

Identity and time

Publication numberOT-2026-000018705 · never reused
Internal UUID01a0ae6e-d520-7d4e-8fd2-15af32026af0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018705
StatusPUBLIC

Content hashes

Canonical textdad435e4829a7a03c4701f2bad9086ac8fce9e4e524c36b29c589542f0262f66
Markdown735046995f4458ad7d291f1ddbec1c23959c7c61f1e3b69dcc75f32affa4b526
PDF
Publication page8ac1475f72ea7bbabc766608d000e523b841d951d17d18e0c557070cd1725540
Manifest5d9787c43b1b7bab3220064f131ce858cab1f4ea9e733715d26b9a970c47ec0d

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
SignatureT2Ko/FR1BCTufFySfZWU7BPh+oWzkotBOU8RlAHwDAG8nIQ4DSWqH2lOIv1A4kC42u9xyCODkgI4Vmh34cAyAQ==
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

2026-09-17T11:59:18.496184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018705
observed 8ac1475f72ea7bbabc766608d000e523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.478412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018705/manifest.json
observed 5d9787c43b1b7bab3220064f131ce858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.460447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018705/publication.md
observed 735046995f4458ad7d291f1ddbec1c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.443298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018705/publication.txt
observed dad435e4829a7a03c4701f2bad9086ac...
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.