OpenTechnical

OT-2026-000099935

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained 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-2026-000099935) never changes.

Identity and time

Publication numberOT-2026-000099935 · never reused
Internal UUID01a0aea3-1473-72b2-a073-79844342ad61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099935
StatusPUBLIC

Content hashes

Canonical textc6b41957501bcd92c4747a9d2932f0e0ff9905abe47403576e028f75f51630a1
Markdown761ecd561adc8510350bd7ff0a431fedc36f879af6419b7d794cf5cb31752e3d
PDF
Publication page0e54d3e2e2e2c24fff6a7388db1f8fe3021531bc06a161cb77baa703c2634850
Manifest3ff818c8ca3090a90588b897bfe44cd62a6451f8fd2fd4cba3fa85b8c56d009d

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
SignaturesVAcVe8BIB/+803UJAWnezOB/wlDzCe1VVMR3FtYRW9MnLh5YZWoGoG6foEN6dm4Nfb7nUofWIekeBI2yeNnAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:34.954095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935
observed 0e54d3e2e2e2c24fff6a7388db1f8fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.937315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935/manifest.json
observed 3ff818c8ca3090a90588b897bfe44cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.919592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935/publication.md
observed 761ecd561adc8510350bd7ff0a431fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.902679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935/publication.txt
observed c6b41957501bcd92c4747a9d2932f0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.526755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935
observed 0e54d3e2e2e2c24fff6a7388db1f8fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.506895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935/manifest.json
observed 3ff818c8ca3090a90588b897bfe44cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.488113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935/publication.md
observed 761ecd561adc8510350bd7ff0a431fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.468078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099935/publication.txt
observed c6b41957501bcd92c4747a9d2932f0e0...
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.