OpenTechnical

OT-2026-000031049

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000031049) never changes.

Identity and time

Publication numberOT-2026-000031049 · never reused
Internal UUID01a0ae74-3fb7-7ed8-831d-407e52c94813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031049
StatusPUBLIC

Content hashes

Canonical textb2ec25a80559cea471fa1d07cc3bcdf7f66e38222d469ac617922c84f152f594
Markdown8c7acc5814c21c23fbc861b43003bfd4affc4f8b696b46922e70f9ff31dc9a77
PDF
Publication page5604370bdb57492951dec1a48490eddfc6eb38ab80c0e9338a14ff8fe4103595
Manifestcd6d9b41aff10cf296bf8d08a26089ecb791b5217854e7664144ece208fd1956

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
Signaturek6Q0ghRCJfBRb/T4mbvl8L6sOdeIx4n8caAFJl0f80ZUavPJgkhcx4Jd0bvCW4ddPCsGHZrL02L76o9JA1XmDQ==
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

2026-09-17T11:40:09.107896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049
observed 5604370bdb57492951dec1a48490eddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.088490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049/manifest.json
observed cd6d9b41aff10cf296bf8d08a26089ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.070492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049/publication.md
observed 8c7acc5814c21c23fbc861b43003bfd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.052365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049/publication.txt
observed b2ec25a80559cea471fa1d07cc3bcdf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.937504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049
observed 5604370bdb57492951dec1a48490eddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.919832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049/manifest.json
observed cd6d9b41aff10cf296bf8d08a26089ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.900524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049/publication.md
observed 8c7acc5814c21c23fbc861b43003bfd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.884124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031049/publication.txt
observed b2ec25a80559cea471fa1d07cc3bcdf7...
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.