OpenTechnical

OT-2026-000084335

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000084335) never changes.

Identity and time

Publication numberOT-2026-000084335 · never reused
Internal UUID01a0ae98-5b61-77be-b1a3-a5849b343dd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084335
StatusPUBLIC

Content hashes

Canonical text14d83cf053d5893d7d3618b861fe045547d158e2e63348b57da33273691b85e3
Markdown7773f6d0789a0c330ee4a1e84cb2b1538f5ff7cb13fab875114d8760b7dc4cf4
PDF
Publication page8c5cfa203bf661331e0914f4482ebc660a654155ac13abb5283950fa5e795406
Manifest65ae534ca964fc407cdb016fc6a04208228ac53e9c92d0c596e710dd1aca20ec

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
SignatureQWdltwphzc0XJlE+tVubAO28Doog7aGo9mBWtjzd0savrAJnAJC9BPuodfv8TSYCCEL+PhLyUyLNEtIhr9wAAg==
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

2026-09-17T09:56:15.787214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084335
observed 8c5cfa203bf661331e0914f4482ebc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.770560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084335/manifest.json
observed 65ae534ca964fc407cdb016fc6a04208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.753263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084335/publication.md
observed 7773f6d0789a0c330ee4a1e84cb2b153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.736419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084335/publication.txt
observed 14d83cf053d5893d7d3618b861fe0455...
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.