OpenTechnical

OT-2026-000057065

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000057065) never changes.

Identity and time

Publication numberOT-2026-000057065 · never reused
Internal UUID01a0ae87-d5b7-7bbb-bdc3-fe0c658bca5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057065
StatusPUBLIC

Content hashes

Canonical text419621af4c2b4ae7481ad41f4f7103377ee742ab61909445e56826a34fd76c18
Markdowne7ff0da487d35c6de6fd982122133b5291047d5090e481acadb2efd75f5d0624
PDF
Publication pageda36ff1fcc9d42b784c931e835434b86a98307d70f4901ef682cc5f0db9d8b84
Manifest6912a90b5f97d64a1602fa8b4e3639f67876c4e559626f5ea0529beed8565334

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
SignatureuZiOhRpCqX1U/6+zQla6tCwjMEkbEyzLtgZwbv7uyGyFZRfYm/K6mnQ3FKpQ3PIXCIm7pOonILnxr7872hE5Cg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:33.343743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057065
observed da36ff1fcc9d42b784c931e835434b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.326323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057065/manifest.json
observed 6912a90b5f97d64a1602fa8b4e3639f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.309166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057065/publication.md
observed e7ff0da487d35c6de6fd982122133b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.291675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057065/publication.txt
observed 419621af4c2b4ae7481ad41f4f710337...
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.