OpenTechnical

OT-2026-000042335

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042335) never changes.

Identity and time

Publication numberOT-2026-000042335 · never reused
Internal UUID01a0ae7a-5d74-7529-af82-567e6f9faf96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042335
StatusPUBLIC

Content hashes

Canonical text4b92960e0e35c691c320223ba2108fccb44b30771a4fe4287298dd2feba1406b
Markdown4cba8164a39c49bc25d396220c2f889f20c5a6e2279168f7cd75709e148fc37d
PDF
Publication pageab239834239727fbd5a9f3710904263330a0b91706c509a449e1257265d821e7
Manifest1eebee46ad9c9634277de7b27a2a73bce42551a5899804fa939e90baa604fde7

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
SignatureaIlpGIF/bm710hSTTCsPPYOwdpsorp9e817bUNFz+6oWPuFk0ffW6VTBDghR4PMunO4LRAgZ/l+XIBD1cz7jCw==
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

2026-09-17T11:16:02.520256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042335
observed ab239834239727fbd5a9f37109042633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.504065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042335/manifest.json
observed 1eebee46ad9c9634277de7b27a2a73bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.486765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042335/publication.md
observed 4cba8164a39c49bc25d396220c2f889f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.470336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042335/publication.txt
observed 4b92960e0e35c691c320223ba2108fcc...
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.