OpenTechnical

OT-2026-000103041

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000103041) never changes.

Identity and time

Publication numberOT-2026-000103041 · never reused
Internal UUID01a0aea4-be3d-7d6b-836b-15f1519a184e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103041
StatusPUBLIC

Content hashes

Canonical textbe92317db92ea22b9439290a1e94ada8b3aac036725d40f30c6ec14d011c4d72
Markdown87a0569fe9d4166db2e43635fc0e26101ce98c472e97810e71f8a76b584f930f
PDF
Publication page32e72bed609a9c8a638ce5723403fb6e56d8fb71df2d83f6103c11a5098a431e
Manifestdf3a2c568c87242c53df34b571ce55d6943ff917a31eb90c495f7d40abaf1af2

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
SignatureP3Uux1s+hcgvBRq1cqExeoQkJ1c6eHUn93tFojWW4ck2VqmXwhJhpdLK9znBBv4j+c5/l92Ct8fI/bw1zdVXCA==
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

2026-09-17T09:23:09.899261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103041
observed 32e72bed609a9c8a638ce5723403fb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.882361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103041/manifest.json
observed df3a2c568c87242c53df34b571ce55d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.863686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103041/publication.md
observed 87a0569fe9d4166db2e43635fc0e2610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.846923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103041/publication.txt
observed be92317db92ea22b9439290a1e94ada8...
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.