OpenTechnical

OT-2026-000090127

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000090127) never changes.

Identity and time

Publication numberOT-2026-000090127 · never reused
Internal UUID01a0ae9c-428f-7197-aae4-aceb13127ec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090127
StatusPUBLIC

Content hashes

Canonical text2f5573d9f5c226a9bcc5495be7007b1e9b1059756aef0a57d058a325d8724717
Markdown6cebceaae838c5eea407880fb8cde8293361e3a8480770345c6b25576a7aadc5
PDF
Publication page94fc8784837ee7116e5add9f4fec72f2ce8c1f9d4c61cb2d3e886d0aacf2bbac
Manifest302fe6fa44eaebf5dd60aeda64e5a75d761517418275048df04663143bf43f26

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
SignaturevFp4uRYBNVa7e+IW16vY7IMxKtF5CUPgPqAWO1xkZq910ZKylWO0cY53GHKUlIwT9QQdMjjd/keJzEkgFSWkCQ==
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

2026-09-17T09:45:33.656363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090127
observed 94fc8784837ee7116e5add9f4fec72f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.637927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090127/manifest.json
observed 302fe6fa44eaebf5dd60aeda64e5a75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.619068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090127/publication.md
observed 6cebceaae838c5eea407880fb8cde829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.599949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090127/publication.txt
observed 2f5573d9f5c226a9bcc5495be7007b1e...
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.