OpenTechnical

OT-2026-000020701

Publication integrity record

Three cup vacuum gripper, three 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-2026-000020701) never changes.

Identity and time

Publication numberOT-2026-000020701 · never reused
Internal UUID01a0ae6f-65e2-71ff-b754-d3a00eade62b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020701
StatusPUBLIC

Content hashes

Canonical text30f69ee5e1496e904a9712c9ef9fbee687ebc40ecd27368c643d97dcee8d5542
Markdowna9fbdb78c997da580f517a993b22069a7a752841cd833ce0891eba8be108e257
PDF
Publication pageb0a962fbac301ce8c3c9ae909fbec72b5e379791be832c27f72666e2358c87e1
Manifest947f078eccd3fc6567d489050defc87ba7c749bc4186f241b18fb8181a19158d

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
Signaturep/z/+qwGRDhpxDTGK9GCLXY8CuQBM/93gP7fo4/eQ3nx6fxLuojpQF3CPdts7EWT1yacAU1zx58pXsHUb1wcDA==
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

2026-09-17T11:55:36.801546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020701
observed b0a962fbac301ce8c3c9ae909fbec72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.781987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020701/manifest.json
observed 947f078eccd3fc6567d489050defc87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.762160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020701/publication.md
observed a9fbdb78c997da580f517a993b22069a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.743977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020701/publication.txt
observed 30f69ee5e1496e904a9712c9ef9fbee6...
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.