OpenTechnical

OT-2026-000058758

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000058758) never changes.

Identity and time

Publication numberOT-2026-000058758 · never reused
Internal UUID01a0ae89-479c-75a3-bd63-437183e8d2df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058758
StatusPUBLIC

Content hashes

Canonical text6ed6b20bf00ebe16567238bf7e704dd5aa17e98ed40644d47dbc8d5df962aeec
Markdown249b01ed3d6449a7a1587c2518c1685c62f13818fb7259eff834f73467859bbf
PDF
Publication pagee0e1cce46175a8a0fb8e23ed4ed4c867776115e9ad6f21de5e01fdf2d8d6f26b
Manifestae2fedcc4ef0d4f848484255a27f4ed6c46662ebabcf6ac623987c1ffb428371

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
SignaturexqmBQJFNehRV0kIvSnfePWGEkAfxpH7H69V5m1zKQgrrzx0Rnu7NyXwcjjeXe4VqMGwiPBSzoFpjQvR3X23UCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:15.956131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058758
observed e0e1cce46175a8a0fb8e23ed4ed4c867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.937799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058758/manifest.json
observed ae2fedcc4ef0d4f848484255a27f4ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.918025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058758/publication.md
observed 249b01ed3d6449a7a1587c2518c1685c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.898815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058758/publication.txt
observed 6ed6b20bf00ebe16567238bf7e704dd5...
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.