OpenTechnical

OT-2026-000068545

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000068545) never changes.

Identity and time

Publication numberOT-2026-000068545 · never reused
Internal UUID01a0ae90-2482-7140-9f7f-5e6c2e100b91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068545
StatusPUBLIC

Content hashes

Canonical textb2130172c537286bb9d98303003d1b551bf2fac600a56747595c1f0725b21afd
Markdown8765c65c3750738ca765a6d90caf62b421f49d084f5f49e46588bd28a2eb666c
PDF
Publication pagec82161864c42b08eaa2b86072f1be45fe12ff9e2c2ba5883d583f917a273543d
Manifest5d04e5704c07e93adf5d2a941b300409f65d0b277f305cfe4df6ee27ca38d7cd

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
SignatureCQ4E8TUtvkGGnwvmb5TYVRKHEgxBrqsBN8OeS4bKeWs+3hq482Imk+so3e5NdTnm3f03EKqfmgHTFPYXE47pCw==
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

2026-09-17T10:29:41.892203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068545
observed c82161864c42b08eaa2b86072f1be45f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.874306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068545/manifest.json
observed 5d04e5704c07e93adf5d2a941b300409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.840894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068545/publication.md
observed 8765c65c3750738ca765a6d90caf62b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.807590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068545/publication.txt
observed b2130172c537286bb9d98303003d1b55...
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.