OpenTechnical

OT-2026-000039778

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039778) never changes.

Identity and time

Publication numberOT-2026-000039778 · never reused
Internal UUID01a0ae78-d8d5-717c-918f-b65cdb649bd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039778
StatusPUBLIC

Content hashes

Canonical text05e2cea3c1d28b1d4a58f04cf51203a16ddae15e491fb4b6e03827396986a680
Markdown12cd279e6a034dfe5cb48a6867a8015fd4ab7a1ccef62358dbe6d696fb65dcfa
PDF
Publication page4c10f997145a593437cb8ec9aa3ace065ac5551688d1543800b5c8933b2cf10c
Manifestac788e955d0be84f43345b76ee06e61a43b1fe84b5f5e949b19cb98e1940e4f3

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
SignaturepiCGL3t7N22wcjKwTNJNsK1FlRyzisz+aXHgdCdHPsLXzcVVbMeYwRQl6YyhZrsxuCQht5quLfz3F/8lpn0dDA==
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

2026-09-17T11:20:00.114229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039778
observed 4c10f997145a593437cb8ec9aa3ace06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.097166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039778/manifest.json
observed ac788e955d0be84f43345b76ee06e61a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.078974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039778/publication.md
observed 12cd279e6a034dfe5cb48a6867a8015f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.062374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039778/publication.txt
observed 05e2cea3c1d28b1d4a58f04cf51203a1...
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.