OpenTechnical

OT-2026-000089175

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089175) never changes.

Identity and time

Publication numberOT-2026-000089175 · never reused
Internal UUID01a0ae9b-db00-78b4-8ef8-063576e2ec00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089175
StatusPUBLIC

Content hashes

Canonical textfe0e90002fa7519e082c2996ab091cde7ea83057e08dc6b09ac9ce7825246362
Markdown027f003511897a487df12a25bca75364c286549c669e59278e8b68400cd081a8
PDF
Publication pagef39883379c98e1c9f9f0228ba4125d49624785912ca867d42dfdf7a753478298
Manifest8c7ec6d16c0f2d844dc631d5db6f4707260e4b9251642048c41309e53ae9a5f7

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
Signature3Y4KHIHHmNdAYAUv+2v5cpB6cOuMrK/z92Sf3SgQeEWDV8MAXh10ZIoQnHVP6dyR85dnSKbSh5PdhX1W0dcQBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:11.243021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089175
observed f39883379c98e1c9f9f0228ba4125d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.225585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089175/manifest.json
observed 8c7ec6d16c0f2d844dc631d5db6f4707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.207928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089175/publication.md
observed 027f003511897a487df12a25bca75364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.190640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089175/publication.txt
observed fe0e90002fa7519e082c2996ab091cde...
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.