OpenTechnical

OT-2026-000010661

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, 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-2026-000010661) never changes.

Identity and time

Publication numberOT-2026-000010661 · never reused
Internal UUID01a0ae6c-0ee8-7885-a9fd-e14b111ed9b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010661
StatusPUBLIC

Content hashes

Canonical text971eba42a09efd72d160291354facd2c472ae5a69b36c160b21586b8fb4edd8d
Markdown90889c1647b0bbd3cc0fbd1d1a6d968d033106d9bbadae9310db2ae57ae0a2d1
PDF
Publication pagef0a810d96af2e9e987400529affb7e39f19ea71d6c9edee23f71c92d72da0baa
Manifest15ab78c540a378683f51745101364862ef42ced7a84ea6958f74e54d3b4eb7d3

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
Signature1Hca1dCmIGu4Jul9cd4XF4cpwRagwDrKUKE9Qrk+GQ8sV9IDjPBiEDeEgDOB+icxe41mUmZ31LUZyD0QIejPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:52.034876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010661
observed f0a810d96af2e9e987400529affb7e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:52.011610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010661/manifest.json
observed 15ab78c540a378683f51745101364862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.991824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010661/publication.md
observed 90889c1647b0bbd3cc0fbd1d1a6d968d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.970867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010661/publication.txt
observed 971eba42a09efd72d160291354facd2c...
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.