OpenTechnical

OT-2026-000056648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000056648) never changes.

Identity and time

Publication numberOT-2026-000056648 · never reused
Internal UUID01a0ae87-7af6-71fe-9e69-69f1562254ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056648
StatusPUBLIC

Content hashes

Canonical text930b4cc320747a93d7e994fd48447c7931ad5acda25c43bcc16b3fae95c7aa8e
Markdown41a1bb55d8535a0b151b99b60d421728caaa121653cf567f8a48036eacbae117
PDF
Publication paged1c95ddca3d9a0c94cde5685416fc6660923a8270080591f294d90aef7829d25
Manifest44dd0fe1be4f47446aecbdf701a87665a629680da54c156bc8402edfacbc8331

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
Signature9+MY/zP7V+tWDBUSSMLxmPSB0p7MKTtyvDqrQhvx1EzeXdCJHlRdJ5kdGMa+an+PMjXNmbfxIDJbJ6RnPYddCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:00.697232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056648
observed d1c95ddca3d9a0c94cde5685416fc666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.678996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056648/manifest.json
observed 44dd0fe1be4f47446aecbdf701a87665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.660464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056648/publication.md
observed 41a1bb55d8535a0b151b99b60d421728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.643200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056648/publication.txt
observed 930b4cc320747a93d7e994fd48447c79...
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.