OpenTechnical

OT-2026-000025169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000025169) never changes.

Identity and time

Publication numberOT-2026-000025169 · never reused
Internal UUID01a0ae71-5fa5-7541-a2f3-24c229ba9c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025169
StatusPUBLIC

Content hashes

Canonical text73357282067747bf2efd92f7d7dfb143eb984391db93bdd3c2b7ad14091ef9dc
Markdown125c3a4df4dce6847a6e426c0984d47244466bcfcf1abc683145da19c279573e
PDF
Publication page75c4702000bb53cec2343d9e69a2c4dc17938d9c84c24ca8a3744c1c7fffcbec
Manifest7553f53ca85f96ddff74c1f7cb8507dec0b9b0c29d402b8d474cdf4f407ce653

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
SignatureceHT0os8yzMxH6um6Rkkh4lyd3Hq6JtAHpzUfxycJze4yvcMnpfw+bA2sT5LhCe+A3C9Fh0/5ERlbNWGU1VVDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:03.692840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025169
observed 75c4702000bb53cec2343d9e69a2c4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.669719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025169/manifest.json
observed 7553f53ca85f96ddff74c1f7cb8507de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.651963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025169/publication.md
observed 125c3a4df4dce6847a6e426c0984d472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.635043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025169/publication.txt
observed 73357282067747bf2efd92f7d7dfb143...
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.