OpenTechnical

OT-2026-000010884

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, vented after 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-2026-000010884) never changes.

Identity and time

Publication numberOT-2026-000010884 · never reused
Internal UUID01a0ae6c-540d-7a06-86f7-4f38a8fe4b8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010884
StatusPUBLIC

Content hashes

Canonical textf3360b2ee34ddc16d5bfaa2065ae9dc4edbbd9e6adecdea4c67072182c72e8b0
Markdownefa7f7c46203fe96e9ed83e09d7470476f958b875ba64f240b8214f5ba6d50d7
PDF
Publication page82aca8c129a48ec819f262912bc8e47e7daa67a109cd71a5d05b667dbbd64ba7
Manifest03f95b02e2b08891fabad96223ab3f9e3d4c5b4ba0a39521b0233b67071750ca

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
Signature85YgRC1bGCdOebDwhtHJ0jlUm6wO/KSL6ZXC7D4pjfvWZHhna8ZuStkzEHgpd2aNxPrrZ88z+qmurlOPpKKpBg==
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

2026-09-17T12:13:38.999540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010884
observed 82aca8c129a48ec819f262912bc8e47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.980663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010884/manifest.json
observed 03f95b02e2b08891fabad96223ab3f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.960441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010884/publication.md
observed efa7f7c46203fe96e9ed83e09d747047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.938915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010884/publication.txt
observed f3360b2ee34ddc16d5bfaa2065ae9dc4...
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.