OpenTechnical

OT-2026-000046287

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000046287) never changes.

Identity and time

Publication numberOT-2026-000046287 · never reused
Internal UUID01a0ae7e-57cb-761e-8f93-74e683eb5c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046287
StatusPUBLIC

Content hashes

Canonical text74c470956fb99241dc798c0b88e9fc242581fbab8eee7dcf9d86fc6030e3ae85
Markdown34eefd1919f80b11dda9a605e880e9b400f280c3ec33d295821290cc1f0cb985
PDF
Publication pagec964daefae241367dfc2509bf2589f5f21702a2f220ccd29f7eee1dc3bf45a2a
Manifestdb3175b661fe92b6fe7f045130a37b75d5d6175bb9e1c4936344f3fdcccf7140

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
Signature8tUXXmRRx9usJZK7+IN6IcsXqlIJCYzhHfAK9uZmGnpd9JskmNKQzFE/E29kcWHFv8CGBgLOAohAS4e6YsmeBg==
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

2026-09-17T11:08:14.975552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046287
observed c964daefae241367dfc2509bf2589f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:14.955323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046287/manifest.json
observed db3175b661fe92b6fe7f045130a37b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:09.523126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046287/publication.md
observed 34eefd1919f80b11dda9a605e880e9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:09.504875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046287/publication.txt
observed 74c470956fb99241dc798c0b88e9fc24...
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.