OpenTechnical

OT-2026-000023454

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000023454) never changes.

Identity and time

Publication numberOT-2026-000023454 · never reused
Internal UUID01a0ae70-7269-7df4-b791-adf824d86a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023454
StatusPUBLIC

Content hashes

Canonical text27e5debaa36fbe30e7beb8376da341299ba4538e82776490e17425cf88500427
Markdownd15bf8da26a3b2441d5eb3798c4cc87147adc31cc3a59bc80c01479ce5b82ce6
PDF
Publication page6fbc54104375d9be329e342998bea883cd9223a8b9a27753a362c71cac49ceea
Manifest159df1db7b25b1e4e893b7e1ebc99af07be751b5609324a86a651549d10215c5

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
Signature9zRfc+Fvh9quHKLC/zp2BzM00zIeKNEqpV0WRebSFgMPjGU/fExl/OpkhDI0DSoncbEFxjg1i8tDSFE0Jq+ICQ==
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

2026-09-17T11:51:40.359109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023454
observed 6fbc54104375d9be329e342998bea883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.342289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023454/manifest.json
observed 159df1db7b25b1e4e893b7e1ebc99af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.324668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023454/publication.md
observed d15bf8da26a3b2441d5eb3798c4cc871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.309338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023454/publication.txt
observed 27e5debaa36fbe30e7beb8376da34129...
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.