OpenTechnical

OT-2026-000092216

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, sustained 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-2026-000092216) never changes.

Identity and time

Publication numberOT-2026-000092216 · never reused
Internal UUID01a0ae9d-875a-7899-8614-3e5a773a54f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092216
StatusPUBLIC

Content hashes

Canonical texta2f58e2bff3d3291cefad77b3da3d03b1e437ca8ef7f7f568c00a21d15aae8af
Markdown1381b17707662363be29985648fbf0d1fa3ea30e1686c35f4d2550ae5bc2d518
PDF
Publication page027fb4b04729f4c3e681edbdb73c0579872cbcece3450b578dbf905bf7fa2ec8
Manifest0baf16fd0c3b6b38590392897a18a94178838a5b9f3755c48bb0e05f684e2cb0

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
SignaturenEGDLhlOvBv7Af76IREOBFPoHDtqtWsrsmmzS73PHc96ma76JOwsDL66mRmi639l2UefDDHCAwMiX4jlvYN8Cg==
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

2026-09-17T09:41:43.564594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092216
observed 027fb4b04729f4c3e681edbdb73c0579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.543944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092216/manifest.json
observed 0baf16fd0c3b6b38590392897a18a941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.525816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092216/publication.md
observed 1381b17707662363be29985648fbf0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.506904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092216/publication.txt
observed a2f58e2bff3d3291cefad77b3da3d03b...
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.