OpenTechnical

OT-2026-000087088

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000087088) never changes.

Identity and time

Publication numberOT-2026-000087088 · never reused
Internal UUID01a0ae9a-9f2d-7935-a355-1c882bf35e56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087088
StatusPUBLIC

Content hashes

Canonical textc778c64062b08f1d18e80d411d67a3acf2a7f48e4c8df7ed0d68234668df077b
Markdown197cbe5495b129a899c817021aa21743c8e21521ff62f5cda0136d3d5f72b128
PDF
Publication page642ad94207d23c0ea6bd06696fa710588fc89fb46b38039256565ed37b1a4702
Manifest057edf7b0866d0829a5414d5ff3b48d5800662bdc7c20bb245ab6f6a4b2acf30

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
Signature2Z0ApQ8RP+FlfIpxFBQalR/66If4AMLSzKtiW5/uXgkY9eY4D2PICTMZ0cC+hECMbW501cxdgGRGxPV2HsedDA==
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

2026-09-17T09:51:20.784108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087088
observed 642ad94207d23c0ea6bd06696fa71058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.768565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087088/manifest.json
observed 057edf7b0866d0829a5414d5ff3b48d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.751770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087088/publication.md
observed 197cbe5495b129a899c817021aa21743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.735590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087088/publication.txt
observed c778c64062b08f1d18e80d411d67a3ac...
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.