OpenTechnical

OT-2026-000019047

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000019047) never changes.

Identity and time

Publication numberOT-2026-000019047 · never reused
Internal UUID01a0ae6e-d523-7f2a-b95a-46ce7f77538c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019047
StatusPUBLIC

Content hashes

Canonical text66675709ebacb75e6ccf6138a231991efafd192d1adb4e55aca93da1855534f4
Markdown2b4148630e776400a60c5ef3c6c4c58eb7e3fa92b59e66e1e15b87a1839cb36e
PDF
Publication page9345605f118b191dcd99992316a93705086d99bee39d790df80f06fd988c8d66
Manifest418c501f4cb5f7943dffd6966a34a3c46dd79fa32e4e91fd1448b5bae4b7f9da

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
SignatureUs/cyNizo+uX5xv8LfyJ7zmOCHdNAx1AvBmIPGUGTe1zFZV6m3/ossMDmm4cAEo7G+k7VMfJ6se81rHQ7mpfDA==
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

2026-09-17T11:59:44.465759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019047
observed 9345605f118b191dcd99992316a93705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.447556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019047/manifest.json
observed 418c501f4cb5f7943dffd6966a34a3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.422598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019047/publication.md
observed 2b4148630e776400a60c5ef3c6c4c58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.395941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019047/publication.txt
observed 66675709ebacb75e6ccf6138a231991e...
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.