OpenTechnical

OT-2026-000067979

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000067979) never changes.

Identity and time

Publication numberOT-2026-000067979 · never reused
Internal UUID01a0ae8f-c4fd-797a-8b9e-5d2d6a214456 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067979
StatusPUBLIC

Content hashes

Canonical text972cdd0170725df18d91ce3dfbd1a44f0805e0bde05650f33c3a6e98c546bbb0
Markdown8b6a21c4febe42c880b3dce5822dc13729d5f0e049d742a9eb44265e30879ab8
PDF
Publication pagede3c075d2cabc48656debaaa81bedcd57033bfdf15ee31201a8e8817b454a60b
Manifestadea2af5dd4b6a1b53b19fc25fc4f44a05bd828009c071cc252042d851c81e23

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
SignatureETX8y/R+TU6p9jVqiWc6ynO26BSYrXx61Qm3Y6PQ++CSwZvG/rtCc2pewgfJeynuibWvzl1Q3E5acz7HRIt2Aw==
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

2026-09-17T10:30:31.574822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067979
observed de3c075d2cabc48656debaaa81bedcd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.554839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067979/manifest.json
observed adea2af5dd4b6a1b53b19fc25fc4f44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.532313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067979/publication.md
observed 8b6a21c4febe42c880b3dce5822dc137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.514063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067979/publication.txt
observed 972cdd0170725df18d91ce3dfbd1a44f...
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.