OpenTechnical

OT-2026-000038343

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000038343) never changes.

Identity and time

Publication numberOT-2026-000038343 · never reused
Internal UUID01a0ae78-2d52-7a62-9132-c8c8b573eadf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038343
StatusPUBLIC

Content hashes

Canonical textd360613d62c5e2a53b0141114927f893e0940cf3d1e3c0dc60a54b189c7e7ba1
Markdownb6fe356611db7b7aa279d4ffab96e5bf77ff272b08c06f97976caa571c0141e3
PDF
Publication page9cc3ed1bdccba1773feb778de096f88fd12ff225a4f28edbe9d5b5801e2acbd8
Manifest5499705b733e40384033ed5bf389fd1eb34f8ef15a9ed2721791b1f4d5362ed8

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
SignatureWt4mx8lTgmSxYtUqB4pspFHSIZCmxNnmWVuBCNoqJBGiuh64O1FRgN6W6CfjaMJa5duwv4Kw7t4VP/e9hSxiBA==
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

2026-09-17T11:22:31.708169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038343
observed 9cc3ed1bdccba1773feb778de096f88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.687527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038343/manifest.json
observed 5499705b733e40384033ed5bf389fd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.668202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038343/publication.md
observed b6fe356611db7b7aa279d4ffab96e5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.649722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038343/publication.txt
observed d360613d62c5e2a53b0141114927f893...
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.