OpenTechnical

OT-2026-000058774

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-2026-000058774) never changes.

Identity and time

Publication numberOT-2026-000058774 · never reused
Internal UUID01a0ae89-479c-781a-997a-c65d7a1e8eaf · 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-2026-000058774
StatusPUBLIC

Content hashes

Canonical text49e8134f6ae2dc4b5c8d839dcf0e884b447ba6e9dd32fea0e53c26d9e3c10359
Markdown607f8aae4f233c8c872797df14df9d899d90dbaa30871b0770c84abdc3ea252d
PDF
Publication page15ca64e0b646db619859da5d87d9c04421ee4f11726561bd90d490052b013a0f
Manifest386c1ca7e6dfe729cd1e623339947c58ff5a6aebe17ce93735245dafc3a1054c

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
SignatureYY1Zk3Swf2n3OHPoBvpCH5BmGzsktrK62nYbM9QPJNbGWtiKkk1sgUQmoFqX7dVFv+a5R7DJ6X95Ohp+RQp6DA==
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

2026-09-17T10:46:17.280064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058774
observed 15ca64e0b646db619859da5d87d9c044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.261313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058774/manifest.json
observed 386c1ca7e6dfe729cd1e623339947c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.243818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058774/publication.md
observed 607f8aae4f233c8c872797df14df9d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.226078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058774/publication.txt
observed 49e8134f6ae2dc4b5c8d839dcf0e884b...
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.