OpenTechnical

OT-2026-000030879

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000030879) never changes.

Identity and time

Publication numberOT-2026-000030879 · never reused
Internal UUID01a0ae74-3fb5-7419-9c75-5eb9ca5ffcde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030879
StatusPUBLIC

Content hashes

Canonical textb41be7fd2665c9c7435594eabde357b60e1b0d81f6dbb2fa81abc364c0fdb47c
Markdownc042edd88c5ee346af33e59e4118aaf8f0a9cd1e38fab520eea1000701a5fb98
PDF
Publication page45e2b2b7e068d65943c49da022a8e0294e741a22fdf327ff6c6f107f11ada9d0
Manifest439c50e4ba65faf60fd26f648b826e713b546fb58deefa6f0875c27e30f3d3e0

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
SignaturerMN36iEZrBbUGRVGEaCij3Fw4zCOwofGrKXAM3+3Bhlv9ENlEv7VtvOUIp5VgPrTIDw/N2ig+B3We9Wzf6sGBg==
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

2026-09-17T11:36:51.493053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030879
observed 45e2b2b7e068d65943c49da022a8e029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.468614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030879/manifest.json
observed 439c50e4ba65faf60fd26f648b826e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.451115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030879/publication.md
observed c042edd88c5ee346af33e59e4118aaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.433563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030879/publication.txt
observed b41be7fd2665c9c7435594eabde357b6...
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.