OpenTechnical

OT-2026-000058538

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000058538) never changes.

Identity and time

Publication numberOT-2026-000058538 · never reused
Internal UUID01a0ae88-f39b-7106-a13e-afd8889973f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058538
StatusPUBLIC

Content hashes

Canonical text9a268b4aacae91dba5b6590bc62f064bf4ca57517cecde700a8a36bd583c232b
Markdownc076734f094a3a9580c0e270caa2a457d271036ad89de4a6d30d1a08f8433957
PDF
Publication page7a5dcade870c6fd408bf1b7e1ad2c0587cf92b0fac1ebf066eba750f399a271f
Manifest1dfb297971cec434f1eb49a72cb87aa87fd232a9d20e0ac61657bacb4b4cfa5a

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
Signatureg6ABxlFfUDfD6M+Vx41f4tAHiUYLEWHib4/IGJxRnd8PZJzI8Y5cL0cCNmKTXVLX3LCjvLiu9rHKRtDWU9RwDw==
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

2026-09-17T10:47:00.085263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058538
observed 7a5dcade870c6fd408bf1b7e1ad2c058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:00.067572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058538/manifest.json
observed 1dfb297971cec434f1eb49a72cb87aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:00.051111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058538/publication.md
observed c076734f094a3a9580c0e270caa2a457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:00.032858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058538/publication.txt
observed 9a268b4aacae91dba5b6590bc62f064b...
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.