OpenTechnical

OT-2026-000027035

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000027035) never changes.

Identity and time

Publication numberOT-2026-000027035 · never reused
Internal UUID01a0ae72-3453-7e6c-b925-936dea374774 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027035
StatusPUBLIC

Content hashes

Canonical text9e770eb6fd838ef28ea2da02b1386466d8d3065123bd3efbb771cc734a40eaaf
Markdowna13c35b5a0e3b1dd5b84338066179c1a63ae9eb83099fbe141efa9e9f9c2f13c
PDF
Publication paged58d97def20190a6d0ee03796791ac05a674ad3d0547b84ff82cefb846a0d348
Manifest5afa00026e4fd4d3bb3d3839808d46403b4a161e8a762ea303fb2b68c7be5ef5

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
SignatureKKhmG+i9eEWDOagm4TxQZQq+P1xsbUAGjrQreQexmBwb6gi0+Mlz+/OKO/43biItCHmAluR6BHQyUAakiU0DDg==
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

2026-09-17T11:43:47.363617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027035
observed d58d97def20190a6d0ee03796791ac05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.346199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027035/manifest.json
observed 5afa00026e4fd4d3bb3d3839808d4640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.328667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027035/publication.md
observed a13c35b5a0e3b1dd5b84338066179c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.312250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027035/publication.txt
observed 9e770eb6fd838ef28ea2da02b1386466...
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.