OpenTechnical

OT-2026-000050846

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000050846) never changes.

Identity and time

Publication numberOT-2026-000050846 · never reused
Internal UUID01a0ae82-c7b2-70c1-a44a-9bdae4f32b17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050846
StatusPUBLIC

Content hashes

Canonical textc1842b5fdce04bd4156ec5eede05d34ec8f90ca42937b81ca1d3925846999b0d
Markdown65606add94617271b38f7313b3d0092b7078a7acd8e164128981dc1be30e60fa
PDF
Publication page6215264779a0ccfa664c811cd432dad42f843372d59999b3d5de42e274ad6bdd
Manifesta84a957c5b419110a8d94482c51a6ac9c4d8de207d28f18dd0720ed7b5a1d018

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
SignaturetJwz4JYZzMBYGqEoVwM9lZORNMqZHQPjtT+nYBah7OmzOo9rXRFkPHfEto2K4PWOLcxmu5mxMDZS+zCscxj3DQ==
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

2026-09-17T11:00:24.892954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846
observed 6215264779a0ccfa664c811cd432dad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.888622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846
observed 6215264779a0ccfa664c811cd432dad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.874648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846/manifest.json
observed a84a957c5b419110a8d94482c51a6ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.866124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846/manifest.json
observed a84a957c5b419110a8d94482c51a6ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.852678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846/publication.md
observed 65606add94617271b38f7313b3d0092b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.841435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846/publication.md
observed 65606add94617271b38f7313b3d0092b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.828084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846/publication.txt
observed c1842b5fdce04bd4156ec5eede05d34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:24.813952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050846/publication.txt
observed c1842b5fdce04bd4156ec5eede05d34e...
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.