OpenTechnical

OT-2026-000071540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000071540) never changes.

Identity and time

Publication numberOT-2026-000071540 · never reused
Internal UUID01a0ae91-e0ee-7cc8-a6ff-a37d08d00eac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071540
StatusPUBLIC

Content hashes

Canonical text272317be15aecf4ecf5d39c8da74bee452af133809c15aaba45a74f8cfcbf5d4
Markdown7ead4ed4309445545da663b824c484089fb09a3dd02a7d0048a8470ca36f2b03
PDF
Publication page10b9c7f50f267b5271a915460ebcfa56d76b482c291fdce061fb938bfaebb2fa
Manifest80645f00221ce641ddb5f79b362a162b91e462246a8f20ced76690ad69cfb517

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
SignaturetADGQ03inIgsiUnOIfJ4ue2fate4CEIXqi+gsVE/jjWfLXz4x/b5h3ibnR/PZ+raPzVxv0Ntj26dKXCZFT2PBQ==
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

2026-09-17T10:25:11.561413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071540
observed 10b9c7f50f267b5271a915460ebcfa56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.542116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071540/manifest.json
observed 80645f00221ce641ddb5f79b362a162b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.523473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071540/publication.md
observed 7ead4ed4309445545da663b824c48408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.503900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071540/publication.txt
observed 272317be15aecf4ecf5d39c8da74bee4...
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.