OpenTechnical

OT-2026-000090249

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000090249) never changes.

Identity and time

Publication numberOT-2026-000090249 · never reused
Internal UUID01a0ae9c-428f-747d-a128-30614691884a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090249
StatusPUBLIC

Content hashes

Canonical textd50df337a87a07fe43b095b2d719d9fefb7ddf390529c72e16523db8bc33d076
Markdowndbe1acada3dc27f38e99b51656d61abf1d4fdf009996703a48e7cebcabdcf6eb
PDF
Publication pageaa41a1dea08dcc71d43dbf9d25b084b1ba717dbf998f31714128dabc5220daff
Manifestfde4c555c202fcee9c220fa5ff0b2b1a12d0865d276a3b91d3f6c816aad9f111

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
SignatureGOSuXnpDa/x3KdMWPXViqoODWoLhCtA+BOAYK0dEdcubwh7rQzcq1OQga5sZ+YWDpv/K7QjdblCUOlQTifbzCA==
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

2026-09-17T09:45:12.292549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090249
observed aa41a1dea08dcc71d43dbf9d25b084b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.273001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090249/manifest.json
observed fde4c555c202fcee9c220fa5ff0b2b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.247289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090249/publication.md
observed dbe1acada3dc27f38e99b51656d61abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.228384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090249/publication.txt
observed d50df337a87a07fe43b095b2d719d9fe...
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.