OpenTechnical

OT-2026-000056484

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000056484) never changes.

Identity and time

Publication numberOT-2026-000056484 · never reused
Internal UUID01a0ae87-7af4-7f94-bdc1-5665061fa5da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056484
StatusPUBLIC

Content hashes

Canonical textdd65330f29411503ee66c550835f4b0a284418d9bd2f13d38fbb4ba4fa9883e5
Markdown44b87edd76a0f60a9e7a8eb4a33aa470b7ea2e98f2bea2f054fc561af3e73c35
PDF
Publication page81f896741c713fd411ee1869d080415ff162f447384737eca8e8fbe374de081e
Manifest5fd76ba2f1dc12b0c4fc104854ecff7fbbade686616ec023b8158e9c83690d5a

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
SignatureCLQBv85Vypja73Y+aIfUEHSfpp+KN4+0RD1VzQL0bEAfr/X7p4jy1qnqusu0jDkFdJdpChBOIeN/sKjVXmOvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:47.709464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056484
observed 81f896741c713fd411ee1869d080415f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.691611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056484/manifest.json
observed 5fd76ba2f1dc12b0c4fc104854ecff7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.672604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056484/publication.md
observed 44b87edd76a0f60a9e7a8eb4a33aa470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.654547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056484/publication.txt
observed dd65330f29411503ee66c550835f4b0a...
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.