OpenTechnical

OT-2026-000014902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000014902) never changes.

Identity and time

Publication numberOT-2026-000014902 · never reused
Internal UUID01a0ae6d-d095-71ce-beea-cd9598e15a50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014902
StatusPUBLIC

Content hashes

Canonical textd431bb7ffbc46707d00cfb1864089703d4fa93246c6a9c765853196cd0fd2f7f
Markdown52aa9490deb1702acc8ba5723b1c9ae339dadd5c26c450bb7ab428e173136a59
PDF
Publication page55fbdbdea2863c74603c6fcfb46b2042a667f9fd5421e187e5e3e35ee44de4ba
Manifest73e14b93e57d9e2ab19b41c3a16cadc508f36bd2dd4790d185dbb2f4932c4063

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
Signaturef8PRCRkDd2n4E2OFO+qIlrB3oEd3wutbBJ2sZgMGKGGLxjhy4WVMPIUgrRTQpOmM62Tku12II8+MpEjzXZnVAQ==
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

2026-09-17T12:06:50.042110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014902
observed 55fbdbdea2863c74603c6fcfb46b2042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.022126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014902/manifest.json
observed 73e14b93e57d9e2ab19b41c3a16cadc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.002796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014902/publication.md
observed 52aa9490deb1702acc8ba5723b1c9ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.985024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014902/publication.txt
observed d431bb7ffbc46707d00cfb1864089703...
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.