OpenTechnical

OT-2026-000046486

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000046486) never changes.

Identity and time

Publication numberOT-2026-000046486 · never reused
Internal UUID01a0ae7e-57dc-7afb-b1f0-c6c366e26ed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046486
StatusPUBLIC

Content hashes

Canonical text698e110d075343d4ff1cc6c61298f4b398efcc280f9de0be7ffe9216c25120cc
Markdown72a9a337a3266d5b34f7ac6c0b51701b424acb2b5dc5f4933f836396f6269be1
PDF
Publication page4b77fb09f896f9111da65f99f6bfb60fb6693e246b8e7797c711a47b14f6d181
Manifeste3f9ffde1c86cbc03ba5d8f23aec812b44be057e4a1a7f94bb6a4cf13b138777

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
Signature26IvOIoTmfGBnILHx2yWJk5UwID9I+iWr9bTkt+HfBwjl5jUixgagATEffG3TlT5PbWtelFEqK2H/MFY7YKfAw==
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

2026-09-17T11:08:31.341396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046486
observed 4b77fb09f896f9111da65f99f6bfb60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.323149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046486/manifest.json
observed e3f9ffde1c86cbc03ba5d8f23aec812b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.304705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046486/publication.md
observed 72a9a337a3266d5b34f7ac6c0b51701b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.285864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046486/publication.txt
observed 698e110d075343d4ff1cc6c61298f4b3...
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.