OpenTechnical

OT-2026-000058173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000058173) never changes.

Identity and time

Publication numberOT-2026-000058173 · never reused
Internal UUID01a0ae88-6edb-7ba3-a776-caf0bca7c199 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058173
StatusPUBLIC

Content hashes

Canonical textf8106f6883e2f33b72ab32f4b719c41a049d0fa21558e37864680dcb0239bb91
Markdown02e359faf6ad4fb7d1d0dc28f554307964326a4425eef7dcfa9689ff1fba884c
PDF
Publication pagea9ff3b8f581d47967fcf1c89048296072744f1cd5a7b4e711a65115af9fa0eff
Manifest9ef5038d41416b822c807a8688b4060c178ae93f4502de8e4e69855cd1140c7d

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
SignatureHFVNnJolmHUikWcb/ygSQQmYrdQL7NXhjYD8DFzN2PqFyHipMHUxwrYG31NwCTl1E71Mj5zMeHNTaRJKn9WiAw==
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

2026-09-17T10:47:52.612086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058173
observed a9ff3b8f581d47967fcf1c8904829607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.594061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058173/manifest.json
observed 9ef5038d41416b822c807a8688b4060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.576766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058173/publication.md
observed 02e359faf6ad4fb7d1d0dc28f5543079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.559936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058173/publication.txt
observed f8106f6883e2f33b72ab32f4b719c41a...
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.