OpenTechnical

OT-2026-000038560

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000038560) never changes.

Identity and time

Publication numberOT-2026-000038560 · never reused
Internal UUID01a0ae78-2d54-7e05-b106-94a8ee6db143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038560
StatusPUBLIC

Content hashes

Canonical texte342acfa026e0d75da24d970d12f78efbac861c7eb19ce9cb87ee812354ac0fd
Markdownfedbb9b65c2401533a87926cce577f41af38def7e51fdec78e0868889eb7fc23
PDF
Publication pageb617b90317f0e4656cceffbc58cb460f55f6207f0539f904293a91a54c88b0ef
Manifest21680aa008aa6073429c531087644e64014a6f6e58cc0d24557a1f294541cec5

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
Signaturei7Ouf1yjCPnqm2OsMfm7R/717SRYBpWc2Vq2OjyFp6rN9d3h7qfl9zfvMyNVfSCKWzrvHz9p6M2EQvV0PP6lAQ==
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

2026-09-17T11:22:49.567729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038560
observed b617b90317f0e4656cceffbc58cb460f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.549198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038560/manifest.json
observed 21680aa008aa6073429c531087644e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.530820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038560/publication.md
observed fedbb9b65c2401533a87926cce577f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.510296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038560/publication.txt
observed e342acfa026e0d75da24d970d12f78ef...
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.