OpenTechnical

OT-2026-000068278

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000068278) never changes.

Identity and time

Publication numberOT-2026-000068278 · never reused
Internal UUID01a0ae90-247f-7315-ac9d-0d32ef3ef753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068278
StatusPUBLIC

Content hashes

Canonical textb6d36583084781027fa6b9d52a9ad9a207a4d31de0c63ebe3191a65afd97ea82
Markdown2532088a336258a692eb49a8defb9dd0162d045910571b36a744760fb68b97b2
PDF
Publication page43180683abd2650952bfc5c0fa0a4557747a888d85d18673323843e5cef67adf
Manifest4eb3f2c038a3f39f30f789be27e1953bc24b17c4a5d70153e6f63943f41a728e

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
SignatureFqySE37Ie6GZfoaf3K+MGqC5KkhWQwr98CTvbk01Gu8NTexjmUcwSGQBkobH1s9glTRSx8iwu9PWMiuIIi4yBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:18.443404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068278
observed 43180683abd2650952bfc5c0fa0a4557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.427049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068278/manifest.json
observed 4eb3f2c038a3f39f30f789be27e1953b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.410893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068278/publication.md
observed 2532088a336258a692eb49a8defb9dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.394105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068278/publication.txt
observed b6d36583084781027fa6b9d52a9ad9a2...
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.