OpenTechnical

OT-2026-000058243

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000058243) never changes.

Identity and time

Publication numberOT-2026-000058243 · never reused
Internal UUID01a0ae88-6edc-7f26-823e-e0ccf2cfc313 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058243
StatusPUBLIC

Content hashes

Canonical text70b493627b1e7fbd60b9e39a55d308f51346a30d5c3019668c80564341518503
Markdown1b77d71118631c74a8a4267eaf44ce6b4fc75584063732ea64b6e50f6dd8381e
PDF
Publication pageb7a539c6afb23c7dfbba825c0726de4090df879baf95f4e36de5ec835ddad3fb
Manifestd5bba75087d027bbed91041bbf92444f49663a1f578b9fa2178bd41207a7048b

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
Signature6i2OAN3/Y77LrhpkLwVt+7IFMXJVwqp3nb/kMdCJnLEO88ikoFZVo0f7yNZhwXvhy70K46xpR1WwW9L60vXlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:57.404431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058243
observed b7a539c6afb23c7dfbba825c0726de40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.385465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058243/manifest.json
observed d5bba75087d027bbed91041bbf92444f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.365087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058243/publication.md
observed 1b77d71118631c74a8a4267eaf44ce6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.346136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058243/publication.txt
observed 70b493627b1e7fbd60b9e39a55d308f5...
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.