OpenTechnical

OT-2026-000101475

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101475) never changes.

Identity and time

Publication numberOT-2026-000101475 · never reused
Internal UUID01a0aea4-0e14-70c7-a5fe-c2c0cf604297 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101475
StatusPUBLIC

Content hashes

Canonical textcbb482e599d8c586846b1aa621f61b4b410025a6a91ca3686848eba80ff64546
Markdownef713670ca1efebf4924cd81cdf3cc64fc7bd61e44623c5085e4762f2f064af8
PDF
Publication pageba0d20983084dc4f0ef3c19f6161e3e92dbd1b6c5c08455523111e420fdef2b0
Manifest7086ce6ed9a89ae085a40fb9074745f062b4711fcffa4ac947e245c0965e3038

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
SignatureJm6fDwDDvX2ZRqiLYB4R1djrQ27weeLADJ6BgEhUc9gqw3MjscvvMhWx5Ig13GARI1sx+Ogi5mdLATEJxeWsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:03.502773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101475
observed ba0d20983084dc4f0ef3c19f6161e3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.484257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101475/manifest.json
observed 7086ce6ed9a89ae085a40fb9074745f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.465313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101475/publication.md
observed ef713670ca1efebf4924cd81cdf3cc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.447847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101475/publication.txt
observed cbb482e599d8c586846b1aa621f61b4b...
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.