OpenTechnical

OT-2026-000058757

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000058757) never changes.

Identity and time

Publication numberOT-2026-000058757 · never reused
Internal UUID01a0ae89-479c-75b1-b383-8d402fcfab56 · 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-2026-000058757
StatusPUBLIC

Content hashes

Canonical text99db096366e0412d79e454caad5549587a3a2accdf612a8b65d7ab039e818498
Markdown5dea88984f4216242b5360730df92e08657a3b5ed9e52ddc414e8883785e4775
PDF
Publication page07dbf8b278d0205958220152f8b70a70c662ce1cf77e7f15c24888081e2b02d9
Manifest7a46c12b452e3c1a3eeab97d674d712314b82b66eb5a15425c9f24e9e164c779

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
SignatureFkQ3WMRP84O6yhPCbu5QHYfroG8NjXWXyznPVJ/ZGknmRgbcFmWDOgXZzO0uwn5R08pRBGcIAKp4LG2eyrUaBw==
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

2026-09-17T10:46:15.878671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058757
observed 07dbf8b278d0205958220152f8b70a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.857643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058757/manifest.json
observed 7a46c12b452e3c1a3eeab97d674d7123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.838758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058757/publication.md
observed 5dea88984f4216242b5360730df92e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:15.819667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058757/publication.txt
observed 99db096366e0412d79e454caad554958...
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.