OpenTechnical

OT-2026-000013222

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000013222) never changes.

Identity and time

Publication numberOT-2026-000013222 · never reused
Internal UUID01a0ae6d-6fc9-7bed-9a9c-6f085f5fd324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013222
StatusPUBLIC

Content hashes

Canonical text34d89d3eda9439dc76142324cf00d9edbf9dae5241ab8f6e48b2d4b3a2179207
Markdownb61b59cbd2b50c7ff47dedc5a54423a62cb048c06e78d4252291f3d0f1561bce
PDF
Publication page11f5cbb0055d98d26fde33cff285ae7723650ad4fe42b5123c1a949ec48bf5e0
Manifest46f77ab4b41a816b883bb8846ae88fa0bd4453098b64d3640d7787bdd92afd73

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
Signature8pk4DfCFeg/cl5QF216cu0f2g9c1KDX0c9U9Ty067pqS4ZZjCPJIIqQzmENEYufqdwC30FVew72fA4doCX7BCQ==
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

2026-09-17T12:09:36.970602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013222
observed 11f5cbb0055d98d26fde33cff285ae77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.949689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013222/manifest.json
observed 46f77ab4b41a816b883bb8846ae88fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.927187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013222/publication.md
observed b61b59cbd2b50c7ff47dedc5a54423a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.906298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013222/publication.txt
observed 34d89d3eda9439dc76142324cf00d9ed...
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.