OpenTechnical

OT-2026-000040439

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000040439) never changes.

Identity and time

Publication numberOT-2026-000040439 · never reused
Internal UUID01a0ae79-2701-761b-a862-c601922070ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040439
StatusPUBLIC

Content hashes

Canonical text4c71634660bacbdccf993d1abc068e6c03b011d31b827b5895e87898e71e3720
Markdownc7006f0c3e0b6aad1ea4e24d03cbaef3d182c3ecb16910d36e19308f5d8ccb44
PDF
Publication page28ede3e014f31505d6bfcf83b15e9e66acac69a7e718aa29bbd068850033665f
Manifest77309a5530dcda5af3180fd4403a78da9649ecae543a9eddb5bf7293df6915e3

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
Signatureb78UNdT42+3to+Zn8yP0Rn6Y4h/Vp6qGa3EmS3U2djNvtQslBSwYTTr/VccK0wzpixRi+/4krt53v0dC/44mBw==
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

2026-09-17T11:19:28.966636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040439
observed 28ede3e014f31505d6bfcf83b15e9e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.949673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040439/manifest.json
observed 77309a5530dcda5af3180fd4403a78da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.932495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040439/publication.md
observed c7006f0c3e0b6aad1ea4e24d03cbaef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.915214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040439/publication.txt
observed 4c71634660bacbdccf993d1abc068e6c...
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.