OpenTechnical

OT-2026-000021827

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000021827) never changes.

Identity and time

Publication numberOT-2026-000021827 · never reused
Internal UUID01a0ae6f-bb5a-7978-92d8-3e0297a3389d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021827
StatusPUBLIC

Content hashes

Canonical text10fbe6c8d20631f88a05ccf5406f6be6d6db589d212d8099a64ef9fd1bcf3c88
Markdown36309f85dd4d9f4905885bc3bf531ba002651cb4d27b25bd5a448a6f963c9f0a
PDF
Publication pagebf131a1d21b141f1a55d656abad601c2ef83e7581d69b4a82e96ab798212eff1
Manifest7f9cbcc2c5c099f7771654629b64e86543b88d5106ec9dd1e2eafc37a1bd875f

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
SignatureyORbsCvlzsSRdfXpx4xpfjrtNh0fhuIJhgmlq0tkjZ6eOn2EeCasV+Kag+rYe7rlulWkDephfSd46UsIZfUVDg==
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

2026-09-17T11:54:23.032930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021827
observed bf131a1d21b141f1a55d656abad601c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:23.013504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021827/manifest.json
observed 7f9cbcc2c5c099f7771654629b64e865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:22.995797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021827/publication.md
observed 36309f85dd4d9f4905885bc3bf531ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:22.977696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021827/publication.txt
observed 10fbe6c8d20631f88a05ccf5406f6be6...
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.