OpenTechnical

OT-2026-000073665

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000073665) never changes.

Identity and time

Publication numberOT-2026-000073665 · never reused
Internal UUID01a0ae93-2b8c-723f-9a1e-73b402b8cd92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073665
StatusPUBLIC

Content hashes

Canonical text365159e1fe004d74dff53fe49642a62f86423955e2fa62734d9c1db520b40de2
Markdownb4bcca795d651e9a354f559a61ff8cbe1dd19d8d9311a8ae9175e1e8348c847f
PDF
Publication pageff1377638a2ce488f988c92be132ea1ff744eca311c9e5b98e6927468c7e7ca8
Manifest69877db92951290f906785808f25925a2ed9c538e89dccfb32f535a5d0d31532

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
SignatureBwRIxERO4LDB2UCNwK1YhJkdohtX6ouw7lj63cXRSMKJ1m5neTfMj+vs4CbfbYx+DxO3elo+Jjh8nsif4+JZAQ==
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

2026-09-17T10:19:43.195267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073665
observed ff1377638a2ce488f988c92be132ea1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.177125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073665/manifest.json
observed 69877db92951290f906785808f25925a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.158086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073665/publication.md
observed b4bcca795d651e9a354f559a61ff8cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.141013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073665/publication.txt
observed 365159e1fe004d74dff53fe49642a62f...
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.