OpenTechnical

OT-2026-000012058

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000012058) never changes.

Identity and time

Publication numberOT-2026-000012058 · never reused
Internal UUID01a0ae6d-1943-790a-a79d-a456b9479eca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012058
StatusPUBLIC

Content hashes

Canonical textf3cdf3de81b9c912e8b8e6021899e68a0c7f9c70a464a3239dc30f4b88fdd296
Markdown54123c40c7dc76cff836f3583a011ea2d58e03dcd65b5e8d077dd51123496d65
PDF
Publication pagea72b61663d3a9427d786490db4668e88ab4ccb82a99cfc9c74ff16704aefc1e6
Manifest680fe8b1af42789f43e9b50868663d0065255ba04ec4b0845e880ca3207a3910

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
Signature41aWKxl68bw/MPboUYOZDSajxil2aYziUBN1Q7editlpJCfcyI06xrdUeqdPr+44BrYPuK81mKfICTJ4j3GcDw==
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

2026-09-17T12:12:56.356107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012058
observed a72b61663d3a9427d786490db4668e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.336551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012058/manifest.json
observed 680fe8b1af42789f43e9b50868663d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.317296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012058/publication.md
observed 54123c40c7dc76cff836f3583a011ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.297884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012058/publication.txt
observed f3cdf3de81b9c912e8b8e6021899e68a...
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.