OpenTechnical

OT-2026-000010683

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000010683) never changes.

Identity and time

Publication numberOT-2026-000010683 · never reused
Internal UUID01a0ae6c-0ee8-7f16-9a15-b5d21ac76136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010683
StatusPUBLIC

Content hashes

Canonical textf5063583dc0b01b35f888965a81a510abb5a0c9d399f144e1ee9557e1c6725ff
Markdownef4f8ce6b230f1897d940d34da44a913bcfbd834fd3cac1527bdb888af3f4876
PDF
Publication page6542641e826102848136542b88262e3047886f2b8da80267594780a7fe6ba609
Manifest2774ad3dd2537fe78fa21d81b1bc70444dece53d7150bba6d1850467ff4ab028

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
Signature18eZhcg5X5pjMgcEB0CPWw+6uXlWlPCOhMcly7aZ5ApIU1cUmDLAlaDghXCJpRljrpHJu3etFkavMx8uHY3xDQ==
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

2026-09-17T12:14:53.726691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010683
observed 6542641e826102848136542b88262e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.708526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010683/manifest.json
observed 2774ad3dd2537fe78fa21d81b1bc7044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.690002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010683/publication.md
observed ef4f8ce6b230f1897d940d34da44a913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.671045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010683/publication.txt
observed f5063583dc0b01b35f888965a81a510a...
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.