OpenTechnical

OT-2026-000103429

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000103429) never changes.

Identity and time

Publication numberOT-2026-000103429 · never reused
Internal UUID01a0aea4-e460-72e2-9103-1d1f1567115a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103429
StatusPUBLIC

Content hashes

Canonical textd499dcdd2d30137e42ef605e83652c2f99fbbdf20c165672670d634c7d12b01b
Markdown4da03e343068b526f9b15b0e28d8d3629f116791c748629dd02b01afe9c0005a
PDF
Publication page75076d872242042e79cb8fa1978db6d3e381f3665ffb16bbe18d6af4603d81c0
Manifest3dd9de7037d77e0b69a04d79f8699e2380d772bfb712c01d1329dd3e15d8683d

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
Signatureh91WBa7a47yxT4Hu9fQtEVEojBr896RZO0Bg/zIQMN/MFfImPQUn7gPHoHqfGBmarBc45yeaUynoC2ihCHRUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:10.769892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103429
observed 75076d872242042e79cb8fa1978db6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.751891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103429/manifest.json
observed 3dd9de7037d77e0b69a04d79f8699e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.733181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103429/publication.md
observed 4da03e343068b526f9b15b0e28d8d362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.716161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103429/publication.txt
observed d499dcdd2d30137e42ef605e83652c2f...
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.