OpenTechnical

OT-2026-000040701

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained 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-2026-000040701) never changes.

Identity and time

Publication numberOT-2026-000040701 · never reused
Internal UUID01a0ae79-6d0f-7227-8be5-3218ec3d5dbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040701
StatusPUBLIC

Content hashes

Canonical text8690f63a6cc34abf4117afab27373a4d768677ade04334ba9bddee9555588c1f
Markdown102f439dd7eadb9baaf57f8d8408890b2df184e8801680abd8adaecac8be4dee
PDF
Publication pagee9f88c71c3d148224bed7b6e7a93a6d24439abacdb879112b359eacb4214deac
Manifest6018899c2918347f8f532c88831be65accea44bc9a137b852ee98f428a953bf5

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
SignatureYrTDJCVNO9ddxPZDr2ohYeN2oWp2uE9U2SEgJj6pb/JTcQktHYCpo3EG/dO4fif9AJPgSOoCmNsfRjDD0K3hBQ==
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

2026-09-17T11:17:54.039738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040701
observed e9f88c71c3d148224bed7b6e7a93a6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.022025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040701/manifest.json
observed 6018899c2918347f8f532c88831be65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.002986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040701/publication.md
observed 102f439dd7eadb9baaf57f8d8408890b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.987010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040701/publication.txt
observed 8690f63a6cc34abf4117afab27373a4d...
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.