OpenTechnical

OT-2026-000049107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049107) never changes.

Identity and time

Publication numberOT-2026-000049107 · never reused
Internal UUID01a0ae81-134d-7041-98b9-332601a159f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049107
StatusPUBLIC

Content hashes

Canonical textb97c61fd686ab3000f9107452a8ed3da7f982ca97b005a8fee5d5ff41a2f230e
Markdownb11d49d0b737b3d7d8a57befe388b61199b45f2610912708a2e96c5261db262c
PDF
Publication page997336d9bd0e577b8f7ed68334d95d252ac8c0cb03597085d3ea031531695cee
Manifest29c8309aa87767490d9de06b5a61af45726e97cc8503c42f9426862283eae046

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
SignaturewBLUDy45v1gKiJfdsVIy/ZO8vSx2wNe1TbYYM5C4AN0GtMVGubylEqdj2/h723dS0JYzqm2iyIhGpnlNRRPABA==
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

2026-09-17T11:03:21.860514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049107
observed 997336d9bd0e577b8f7ed68334d95d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.840142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049107/manifest.json
observed 29c8309aa87767490d9de06b5a61af45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.823600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049107/publication.md
observed b11d49d0b737b3d7d8a57befe388b611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.803121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049107/publication.txt
observed b97c61fd686ab3000f9107452a8ed3da...
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.