OpenTechnical

OT-2026-000088233

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000088233) never changes.

Identity and time

Publication numberOT-2026-000088233 · never reused
Internal UUID01a0ae9b-1aa9-765a-83bc-6c469a420c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088233
StatusPUBLIC

Content hashes

Canonical textf73a9237f4fe90a036208fa6a2bdae34e746d6a79ba647de754edf60be6286db
Markdown4500e59563b597fa5757d11bd6211d331d6660abf07d1484bdff6d8d8fd873ee
PDF
Publication page933a2586dd1246308498b667e483827250dc46a772063320b695ad5e90ddc9f5
Manifesta6343469008295eb9924bd2f4a7ea8b8b09d848ce44d6b6ce4cb43cc2d318358

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
Signature631GNnF+GhbuZwYTSFmoA+cGV+V0ZqcEmowSmQEPM6iWGHfrp1mEqDrU7Jn1rjocQKCbl1PleY7i1tMmeRw1DQ==
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

2026-09-17T09:50:20.084102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233
observed 933a2586dd1246308498b667e4838272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.068381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233/manifest.json
observed a6343469008295eb9924bd2f4a7ea8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.050947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233/publication.md
observed 4500e59563b597fa5757d11bd6211d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.033547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233/publication.txt
observed f73a9237f4fe90a036208fa6a2bdae34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.694146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233
observed 933a2586dd1246308498b667e4838272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.675493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233/manifest.json
observed a6343469008295eb9924bd2f4a7ea8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.653750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233/publication.md
observed 4500e59563b597fa5757d11bd6211d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.633321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088233/publication.txt
observed f73a9237f4fe90a036208fa6a2bdae34...
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.