OpenTechnical

OT-2026-000031963

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000031963) never changes.

Identity and time

Publication numberOT-2026-000031963 · never reused
Internal UUID01a0ae74-bad2-74b6-bd1f-08f75fc78159 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031963
StatusPUBLIC

Content hashes

Canonical textd40c608ddb027d55b3e052cae831a80d9ad63211240fcf3f29ca03864909ea7d
Markdownc633fd06c2c257a964472426f0f9e69a9e7c438c9b4d9597d6bca3b148f769a5
PDF
Publication page60f3db7c6fd80f144a09795b963e858eab17c29f019b011b6cba5cadcb3c1d73
Manifesta5507807cd8735fcdb909e8218be73fd17b634ea496cc80fbdc71503eeada109

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
SignatureJekET1SeIdJOBHdaEASk8LJRXb1Y2IpMOF/Y6qmSBvcGeC30Ww9SRUbX9ohbhamb7u3P87N/SuK0DUum/iD2AA==
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

2026-09-17T11:35:15.311344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031963
observed 60f3db7c6fd80f144a09795b963e858e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.287940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031963/manifest.json
observed a5507807cd8735fcdb909e8218be73fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.269627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031963/publication.md
observed c633fd06c2c257a964472426f0f9e69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.251380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031963/publication.txt
observed d40c608ddb027d55b3e052cae831a80d...
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.