OpenTechnical

OT-2026-000071928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000071928) never changes.

Identity and time

Publication numberOT-2026-000071928 · never reused
Internal UUID01a0ae92-47c0-71ba-a450-be8ebe84a7ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071928
StatusPUBLIC

Content hashes

Canonical text6945fb5d127bd5a8297f1cf4e427d3ad5c6d63a018aa59a504c37cde2ded2b8c
Markdown773c02ab69cc32fe4be6f037ee5c9fce95abea7dca31f1e9d0bcdb0c15e9f974
PDF
Publication page5dc0fa27d70a742defb683f435effb2e4ee3f68e51d78cf2f7a6d058f783b91d
Manifest65ed24f242ee81b202dc06b1ae64205595c178e1ae0c9207d12439fc1cd99b97

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
SignaturepiYS1rhr+kuRJV/VMxVd/E8TZiqxcH0extzDdhjDRriRV/QPOYOSRCIJj6DQCMVF9CyLkGF3WGk4j31hlDprBA==
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

2026-09-17T10:22:57.553130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071928
observed 5dc0fa27d70a742defb683f435effb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.534964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071928/manifest.json
observed 65ed24f242ee81b202dc06b1ae642055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.517608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071928/publication.md
observed 773c02ab69cc32fe4be6f037ee5c9fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.500058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071928/publication.txt
observed 6945fb5d127bd5a8297f1cf4e427d3ad...
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.