OpenTechnical

OT-2026-000102540

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000102540) never changes.

Identity and time

Publication numberOT-2026-000102540 · never reused
Internal UUID01a0aea4-858a-786e-8c5e-dd0acc0b782c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102540
StatusPUBLIC

Content hashes

Canonical textb687623a6564377909171a0d885a855116eb15ab4c51a9b3c23f5781036f99af
Markdown6217669f1a4027cb0c4ea20e76efa07f566acfd1b2c3bd72d57519d64e25c41b
PDF
Publication page1cbe3f3505e1726f7f6721af29aa45ac6ebc4164c14d9434371b2ee105ea6bad
Manifest93525b03c298d4766daf81f20e680ba5d2efe27f7e6fa57482e64cb112810974

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
SignatureHYodf76rSHLpveQXYlnpwfpRnYgTepbds69Qain7bE85iZv+2hc9st/LgDOODwF2/7Wv4pXE7AnTFje0Pie2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:00.860311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102540
observed 1cbe3f3505e1726f7f6721af29aa45ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:00.841213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102540/manifest.json
observed 93525b03c298d4766daf81f20e680ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:00.822051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102540/publication.md
observed 6217669f1a4027cb0c4ea20e76efa07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:00.799595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102540/publication.txt
observed b687623a6564377909171a0d885a8551...
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.