OpenTechnical

OT-2026-000081676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081676) never changes.

Identity and time

Publication numberOT-2026-000081676 · never reused
Internal UUID01a0ae97-0f73-7b8c-a543-b328110d6074 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081676
StatusPUBLIC

Content hashes

Canonical textce2f16dbd2904a3a3a64f088996b812a5401b57f7bd636ee4cee2a71fe5696a2
Markdown88dff8c249b7a2d843ef138cdd7312c3ac56411408d21a30039dc56d3bca0eb3
PDF
Publication pagec183eaf1e4da8ba234f4f88d5b6466067e5d68e46ace0a8fb1d4816250d934f4
Manifestaaddd3093232cb94aaa463a09662203384bd307af01b40eee80bbc462c489815

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
SignaturehVRdLPkwNnzpFT8avizgXVnneNjRc4EgeXZrL8YA58C6yEeAXJ/RcymWZ5Cv94BmqzASC4pXhTdjsf2Y/20GCg==
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

2026-09-17T09:59:44.273453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081676
observed c183eaf1e4da8ba234f4f88d5b646606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.253138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081676/manifest.json
observed aaddd3093232cb94aaa463a096622033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.234185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081676/publication.md
observed 88dff8c249b7a2d843ef138cdd7312c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.216158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081676/publication.txt
observed ce2f16dbd2904a3a3a64f088996b812a...
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.