OpenTechnical

OT-2026-000030811

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030811) never changes.

Identity and time

Publication numberOT-2026-000030811 · never reused
Internal UUID01a0ae74-3fb5-73d2-9d3c-dc9d0f900d54 · 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-2026-000030811
StatusPUBLIC

Content hashes

Canonical text94c5cb4f5cf578aac27ed7be113ccf6e88c1443f3d7e397334a21921f5fd34fb
Markdown2428dc5f6685a9c8cd13904dc6748ceaf99a4855b7e093db67aebb9a4deb3801
PDF
Publication page12b0563552999fd963c7ff7b4b32a4cc4abf708db79e6b708ca17bbc740aa807
Manifest22b143b9cd670c43dc69c2c49828701100639361a2ad2f6df2f033307a6d7c75

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
SignatureHaiZryk1NeBIhqEsy5zPSnU54NbB3kRvpvgLDdESQEO0UAel3VuBxdtEO+iYHeQYb/rGORC1PJhyeBsIGuubCA==
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

2026-09-17T11:36:47.272911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030811
observed 12b0563552999fd963c7ff7b4b32a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.255849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030811/manifest.json
observed 22b143b9cd670c43dc69c2c498287011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.237188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030811/publication.md
observed 2428dc5f6685a9c8cd13904dc6748cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.216423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030811/publication.txt
observed 94c5cb4f5cf578aac27ed7be113ccf6e...
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.