OpenTechnical

OT-2026-000041674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down

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-2026-000041674) never changes.

Identity and time

Publication numberOT-2026-000041674 · never reused
Internal UUID01a0ae79-e8a0-7d40-9ec1-e139b55d5496 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041674
StatusPUBLIC

Content hashes

Canonical textdf4c23842b83d46de183ec2c6fd27c4b7af5fbc6c54790a66a75667be14ac552
Markdownd87b9bff4062fffb6736be3c883cc3f47243df58118a5aec8726014ff4251cf1
PDF
Publication pagec842c51770eb25928b7ad596cd397023be72c32090f3030822936ad85ee66458
Manifest6b58aee02dcd577454e8bb2599dcb586a47ddccacb085b449941e36216c21e64

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
Signature/9dPf7q3QuZDfoUKnWeyUyPI8n+ly0py7m/0ajGt2Nz+7fnVakZVT7ON3WXZoHVYFQABsR7EvlHTVhSEuEOfDw==
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

2026-09-17T11:16:28.856519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041674
observed c842c51770eb25928b7ad596cd397023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.840635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041674/manifest.json
observed 6b58aee02dcd577454e8bb2599dcb586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.823025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041674/publication.md
observed d87b9bff4062fffb6736be3c883cc3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.807504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041674/publication.txt
observed df4c23842b83d46de183ec2c6fd27c4b...
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.