OpenTechnical

OT-2026-000043666

Publication integrity record

Four pad foam 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-2026-000043666) never changes.

Identity and time

Publication numberOT-2026-000043666 · never reused
Internal UUID01a0ae7b-92d0-7556-bad7-e04057bf744c · 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-2026-000043666
StatusPUBLIC

Content hashes

Canonical texte6648156df41d5dcb86c723ffe81ec5c998aa44c322f3dad11ddd5e152bddaec
Markdown2a27cccdfab73381b909cfe24c237269a7bafb66bbe92558420b608b2ac2d719
PDF
Publication page25ec2c80752502d87f374c4a0f82704acc9d5084a74ee1ac4d745fd59ee15bd6
Manifestc45cb62e4d4ee2c2f8dffbf9f7b24f9f806d6333258da4996216b7030f90dccf

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
SignatureYvMQNI4Qrc08kc3Eg8zRdBIwBQM2sVDDO/Dlk+XtRGS4VwMl/jPMS/pd+aXgoVUVYJ11O9hpQE2uSzNIOBJvDg==
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

2026-09-17T11:13:09.143853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043666
observed 25ec2c80752502d87f374c4a0f82704a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.125359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043666/manifest.json
observed c45cb62e4d4ee2c2f8dffbf9f7b24f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.106679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043666/publication.md
observed 2a27cccdfab73381b909cfe24c237269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.088353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043666/publication.txt
observed e6648156df41d5dcb86c723ffe81ec5c...
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.