OpenTechnical

OT-2026-000068983

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000068983) never changes.

Identity and time

Publication numberOT-2026-000068983 · never reused
Internal UUID01a0ae90-6dcd-7df8-97e9-01030d39798a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068983
StatusPUBLIC

Content hashes

Canonical textc6f7a5563582e4aa8b82f776a4f285f337a891f4206ced1d0bae58bd783a12c5
Markdown999c41bcbe5d556b6e33db13d30751102fcefaa9a8ec0f057e6f45ac394ed6bd
PDF
Publication pagef027773327ac033bc7febb5fe1fae0d5c2e99a75de21dedb0cd7ca58d3758a42
Manifest568a1c148bf9546855fb3a8b309ee2baac4e68833bd41373408ac50ae23fbb13

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
SignatureOU8A+/jyeYQfKnjNsBcL4HowrlV74u8oQ9+eOvmSm7nH6BA1bPmSnsSeB7U+/SqfGidFjRqEXt4UMRfcri69BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:49.454074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068983
observed f027773327ac033bc7febb5fe1fae0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.439135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068983/manifest.json
observed 568a1c148bf9546855fb3a8b309ee2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.422001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068983/publication.md
observed 999c41bcbe5d556b6e33db13d3075110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.404987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068983/publication.txt
observed c6f7a5563582e4aa8b82f776a4f285f3...
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.