OpenTechnical

OT-2026-000069142

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000069142) never changes.

Identity and time

Publication numberOT-2026-000069142 · never reused
Internal UUID01a0ae90-6dcf-75c6-b634-c2014aed3cc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069142
StatusPUBLIC

Content hashes

Canonical text0708794b8c7e904e7c8490f77e9f2170ff7d9ef4af37dab311aff422615c26f0
Markdown573c2e76fb6594c1729c9db046aae133224ecc8c0500bedb69e59e5c4cfdf902
PDF
Publication pagebc2c41b4f06c826426b3ec26657165410d1281ffc970b3b421cfcc911e87e697
Manifestf9d30520546ae3327eee31377342fa993e2d41a6c48c834edc048d74916e6729

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
SignaturejFZoEmZ1GYK/sFt+KB4JcITSFvSbQl1UmuL0zkpo6p/k6JkDZQOSAUqqGAZMuXsdgwORY4HmD25RnOS1YXc6CQ==
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

2026-09-17T10:29:01.600657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069142
observed bc2c41b4f06c826426b3ec2665716541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.583999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069142/manifest.json
observed f9d30520546ae3327eee31377342fa99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.565106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069142/publication.md
observed 573c2e76fb6594c1729c9db046aae133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.547173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069142/publication.txt
observed 0708794b8c7e904e7c8490f77e9f2170...
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.