OpenTechnical

OT-2026-000082489

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, sustained 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-2026-000082489) never changes.

Identity and time

Publication numberOT-2026-000082489 · never reused
Internal UUID01a0ae97-4d97-76f9-9558-0e3c5e5619ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082489
StatusPUBLIC

Content hashes

Canonical text3a6cf81812b80f46b3ffd41100cd1234867769865d7110093d771b12cf303c1b
Markdown519421f8d53cd2798cd66f97b5e056a41c5160d2ba4e073b81b6ef12a37409ad
PDF
Publication pagea0d21500c6ceb6796d275cdf4b8ca61284a2bbb304acaa5af9797eb50a544cd8
Manifest80b728104f89130766a63aa7eefed6c924ed451af51a965f2cafc1e088fa53b0

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
Signature5ZK14UteSuzEQ4cX42nhn4qb1I+AEbdSyprQMRBTMbA4gIQF6eKEP6gZlq0WO7flxEUk6nBc9ZVSWh3m2qczDg==
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

2026-09-17T09:59:29.777389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082489
observed a0d21500c6ceb6796d275cdf4b8ca612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:29.758354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082489/manifest.json
observed 80b728104f89130766a63aa7eefed6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:29.740250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082489/publication.md
observed 519421f8d53cd2798cd66f97b5e056a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:29.723419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082489/publication.txt
observed 3a6cf81812b80f46b3ffd41100cd1234...
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.