OpenTechnical

OT-2026-000050974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000050974) never changes.

Identity and time

Publication numberOT-2026-000050974 · never reused
Internal UUID01a0ae82-c7b4-704a-8515-426ac9615ba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050974
StatusPUBLIC

Content hashes

Canonical text2a7c49178c14f98725dc72c7ac3a190c6e734fea9a48a84c254b738ee621269f
Markdown3f87f0b893a2099ebb0226bea2c014fcf5dfeb612a8522dbbc6f8f56417e8ff8
PDF
Publication page0aa5bb1deb4c4b6c0fcf99d43e0f345484af987492affd28f649dde8e08bf990
Manifestbc323bc90a306eae019e0449b812f68bd6edd4d79181b374138a59f5bfcc037b

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
SignaturevpkjIfAsUL8zgZ7j8zi1YHGPPVys0TAyQckm8rYdB0oQhaMW6XoVIe5qVMCk8p1HmgD+N+2sDO7qFwUTN1EfDA==
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

2026-09-17T11:00:51.814205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974
observed 0aa5bb1deb4c4b6c0fcf99d43e0f3454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.796409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974/manifest.json
observed bc323bc90a306eae019e0449b812f68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.779165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974/publication.md
observed 3f87f0b893a2099ebb0226bea2c014fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.759610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974/publication.txt
observed 2a7c49178c14f98725dc72c7ac3a190c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.750625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974
observed 0aa5bb1deb4c4b6c0fcf99d43e0f3454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.731524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974/manifest.json
observed bc323bc90a306eae019e0449b812f68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.714071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974/publication.md
observed 3f87f0b893a2099ebb0226bea2c014fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.694307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050974/publication.txt
observed 2a7c49178c14f98725dc72c7ac3a190c...
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.