OpenTechnical

OT-2026-000088115

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000088115) never changes.

Identity and time

Publication numberOT-2026-000088115 · never reused
Internal UUID01a0ae9b-1aa7-7850-9b35-109ea85f8044 · 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-2026-000088115
StatusPUBLIC

Content hashes

Canonical text6046b9b8c39a1e1f905f2ad4fa4649fbc5c50a75e4b56601493d3c4cd8069da7
Markdownf9bb70f1410a90a88a21a0f4cfbcfbe30d95a725c5ed42cbda65dccc6f82cf31
PDF
Publication page5a5601468a9f2e2b5968732dd2ac7477c5010c54d38af49150d4465d6c7976f5
Manifest3d85271a0c2513a26481dc5ad34cf8dcba0401862def672f76e2ef73afa57bdf

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
Signaturej1FwBxHXIBdg+bAdscHibLMxmLJhSEynrIwCiPTN2+In+R2TIqMTUJFVTGL8bSQsPcHduGRKEVwhh9M04uuSCw==
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

2026-09-17T09:49:06.003028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088115
observed 5a5601468a9f2e2b5968732dd2ac7477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.977652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088115/manifest.json
observed 3d85271a0c2513a26481dc5ad34cf8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.957670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088115/publication.md
observed f9bb70f1410a90a88a21a0f4cfbcfbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.930758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088115/publication.txt
observed 6046b9b8c39a1e1f905f2ad4fa4649fb...
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.