OpenTechnical

OT-2026-000088216

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088216) never changes.

Identity and time

Publication numberOT-2026-000088216 · never reused
Internal UUID01a0ae9b-1aa8-7c92-8205-7abfe12e970b · 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-2026-000088216
StatusPUBLIC

Content hashes

Canonical text32103d66443975660c95f35cdb37b97cbe9e98d598576064b63c99bf82d84aea
Markdownf9b31b7d78a5e8c7d267c69f7069178c58e3b3126b64102d836c506a3c1dbbb1
PDF
Publication page0c57a7dcd75cbee5f017a272cd15ba6ab5586c8844c68c254f05d8b040da4078
Manifesta7e48112dd63c8601d29320fb94d031d207c13ec7f776081d02001dfd15fa75c

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
Signature3sYKDcf4aYweu90Qn9UbL3er0e86nAYXrgS0shb6WkzjZSd+V5QedE9JeCJB5D/EFvEA3ELJdISNBvB3VnNjCg==
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

2026-09-17T09:50:15.249709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216
observed 0c57a7dcd75cbee5f017a272cd15ba6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.227828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216/manifest.json
observed a7e48112dd63c8601d29320fb94d031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.208772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216/publication.md
observed f9b31b7d78a5e8c7d267c69f7069178c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.188837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216/publication.txt
observed 32103d66443975660c95f35cdb37b97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.638003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216
observed 0c57a7dcd75cbee5f017a272cd15ba6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.614517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216/manifest.json
observed a7e48112dd63c8601d29320fb94d031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.594766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216/publication.md
observed f9b31b7d78a5e8c7d267c69f7069178c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.575358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088216/publication.txt
observed 32103d66443975660c95f35cdb37b97c...
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.