OpenTechnical

OT-2026-000088240

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000088240) never changes.

Identity and time

Publication numberOT-2026-000088240 · never reused
Internal UUID01a0ae9b-1aa9-7385-afee-935eb36ef3be · 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-2026-000088240
StatusPUBLIC

Content hashes

Canonical text1c4c1b7afabd1c74a910f73aae5e6a217513571b3739bc07545926ac186ecb71
Markdown05a1956f3a7550eacafc1a70e21951e9dfd568cbae8d85dab3f5026f6278720f
PDF
Publication page5c15292c159e41059972ae84ff8384dd5eebeed80245547439eb3f27451da68c
Manifest4c63db9946475e95ab2258074c1bf0e25e334cdb92b0bd56934b3abfcab07f0d

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
SignaturevnOIaB4epSEBcc+v+mC7P7NTJQgHkLq47am3e1rWrQbMCCrX4JsLLFDooGZ/XXfNn7OJ7o5u9TPoXlvEB4UoCg==
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

2026-09-17T09:50:20.640785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240
observed 5c15292c159e41059972ae84ff8384dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.622582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240/manifest.json
observed 4c63db9946475e95ab2258074c1bf0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.602737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240/publication.md
observed 05a1956f3a7550eacafc1a70e21951e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.583513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240/publication.txt
observed 1c4c1b7afabd1c74a910f73aae5e6a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.248580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240
observed 5c15292c159e41059972ae84ff8384dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.229693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240/manifest.json
observed 4c63db9946475e95ab2258074c1bf0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.211727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240/publication.md
observed 05a1956f3a7550eacafc1a70e21951e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.191474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088240/publication.txt
observed 1c4c1b7afabd1c74a910f73aae5e6a21...
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.