OpenTechnical

OT-2026-000042314

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000042314) never changes.

Identity and time

Publication numberOT-2026-000042314 · never reused
Internal UUID01a0ae7a-5d74-7536-b281-30ba24afd2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042314
StatusPUBLIC

Content hashes

Canonical text82d638bf8d31af1d1ac5b8a055e36965f8a62e2f76eeaf63cf463277a6a952db
Markdown0b58b118479cf74aedc414891bfbda97504e5678bdec7b17f8ec460574862ca7
PDF
Publication pagea9f93a4ae262339c1167be42a8a6e6d47e0a3333b8ca7d5f5b422fd16753352b
Manifest2617dfd23a4dc8c6912bdb929793096a4cb51400c08f7280fe2f3ad0a5ba4d8b

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
SignaturebO9bJhCfIM5dZhZDh3Mp8FjokjY4bpfUmPm0TpFgGwSXeJ+ZwFPU2VnJH8kO9xUoqELAnMgaqMq8KMpEwW9VCQ==
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

2026-09-17T11:16:00.970565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042314
observed a9f93a4ae262339c1167be42a8a6e6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.953611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042314/manifest.json
observed 2617dfd23a4dc8c6912bdb929793096a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.934485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042314/publication.md
observed 0b58b118479cf74aedc414891bfbda97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.915584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042314/publication.txt
observed 82d638bf8d31af1d1ac5b8a055e36965...
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.