OpenTechnical

OT-2026-000043504

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043504) never changes.

Identity and time

Publication numberOT-2026-000043504 · never reused
Internal UUID01a0ae7b-92ce-787c-ba21-41bc8b8cf337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043504
StatusPUBLIC

Content hashes

Canonical textd6232489cb76fc20d73471ab1e469920f578aeca63f91a03a67376e50158cef6
Markdownfe2936366b474c8bd56c2c7e4d465d0372d0452e449ff50b40e72383457c4d19
PDF
Publication page09866f718bac098543729ccdcf434a51291ca635b26cbf520f99fcd55d42834a
Manifesta8e24dac740cc21ce6a31df96b1683812be375b117920b008493e0756fa2f36f

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
SignatureBExvwD6Fpntm23PrEnzqHZkAFu0kUc07MBZMzMcLo5XAuIctxYcHcNGiqwDuNlRrb/Vff8/VG1x4Y3jAXlydAg==
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

2026-09-17T11:12:52.339653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043504
observed 09866f718bac098543729ccdcf434a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.320884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043504/manifest.json
observed a8e24dac740cc21ce6a31df96b168381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.301702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043504/publication.md
observed fe2936366b474c8bd56c2c7e4d465d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.282221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043504/publication.txt
observed d6232489cb76fc20d73471ab1e469920...
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.