OpenTechnical

OT-2026-000007985

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000007985) never changes.

Identity and time

Publication numberOT-2026-000007985 · never reused
Internal UUID01a0ae6a-908b-716d-992a-66a1b8e44769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007985
StatusPUBLIC

Content hashes

Canonical text277a831dae4c223f1ae04011b13b3f5872949cd21a9ccf443a1a3149be1655ca
Markdown2548a0ef0eb7835707805f0c7cd90efc19e3ed72ca7114f1ade5fe9af34d9fef
PDF
Publication page2c5b868f6da6e12f9acbe2b8e10e8420d5e082f999f0eb510abc9d4ec3d018f0
Manifest44b6b21ba77e9cc7eb9844f965871b0a974fa330747e934993969ef73e414416

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
Signaturekqm/HJYVfoIIw/bnR5CfjCAI+M0jvdeWAtFjTWAQBoegBJ2rHPCmPZgRmFV1ByDYf3JoDdU6gURvFkWZoIGYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.724635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985
observed 2c5b868f6da6e12f9acbe2b8e10e8420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.704315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985/manifest.json
observed 44b6b21ba77e9cc7eb9844f965871b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.684957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985/publication.md
observed 2548a0ef0eb7835707805f0c7cd90efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.667750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985/publication.txt
observed 277a831dae4c223f1ae04011b13b3f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.783188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985
observed 2c5b868f6da6e12f9acbe2b8e10e8420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.758562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985/manifest.json
observed 44b6b21ba77e9cc7eb9844f965871b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.737300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985/publication.md
observed 2548a0ef0eb7835707805f0c7cd90efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.717507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007985/publication.txt
observed 277a831dae4c223f1ae04011b13b3f58...
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.