OpenTechnical

OT-2026-000012487

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000012487) never changes.

Identity and time

Publication numberOT-2026-000012487 · never reused
Internal UUID01a0ae6d-39f7-72fb-b9d4-af005aea72e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012487
StatusPUBLIC

Content hashes

Canonical text79cf64f95edf82b314dd4a648607130dd6b19be194b53cd224ddf0efc3437699
Markdowndc2c3ddee7737d3cb6263206397be10c77c015f8625141133ccbac820105d859
PDF
Publication page6bd58989e2e8a27a2e8f1c2f3150c30ddb6032ac4c3519296d8689133a850085
Manifest6f62639e7ee34d5c82c04e1d7743cffc20540d42a5b740a71c7204b6123ee8f7

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
Signature4s1hm7m80KFnzxDGtCVm6EF9fzO5f1FFoBoxXNXrc9QRVX7aeJaG2yitMK4kKho0dAP8225y+W/jDhimTG1tBg==
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

2026-09-17T12:12:00.092310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012487
observed 6bd58989e2e8a27a2e8f1c2f3150c30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.073865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012487/manifest.json
observed 6f62639e7ee34d5c82c04e1d7743cffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.055808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012487/publication.md
observed dc2c3ddee7737d3cb6263206397be10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.036879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012487/publication.txt
observed 79cf64f95edf82b314dd4a648607130d...
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.