OpenTechnical

OT-2026-000060646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000060646) never changes.

Identity and time

Publication numberOT-2026-000060646 · never reused
Internal UUID01a0ae8a-b7cd-7abd-911a-ceade76cf4ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060646
StatusPUBLIC

Content hashes

Canonical text1537caee9326ba997754704a53d8e7e292fdb5eff0fa750377292bc50225f90d
Markdown6c7f7c181e1076578f8b5c01620d8528326fe16b0b32c679040ad26f68bee69e
PDF
Publication page6abe225df5fea6dd704ee28c72c54c6378b84528968b40fef9fbf851a043e2dc
Manifest2c045c856f220938bd070c2d41f1abd9974b05112a9035787acf91eb61b3b3f6

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
SignatureUIhA3fDLkySDG7IN507oex3NCIiUgy/dZh4UjNZUicEj41Ii1RV1E7XNkzTqEpMWeU8W+lP2Dmu7fjZPgPnhBQ==
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

2026-09-17T10:43:16.727517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060646
observed 6abe225df5fea6dd704ee28c72c54c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.711052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060646/manifest.json
observed 2c045c856f220938bd070c2d41f1abd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.693425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060646/publication.md
observed 6c7f7c181e1076578f8b5c01620d8528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.658309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060646/publication.txt
observed 1537caee9326ba997754704a53d8e7e2...
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.