OpenTechnical

OT-2026-000103172

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000103172) never changes.

Identity and time

Publication numberOT-2026-000103172 · never reused
Internal UUID01a0aea4-be3e-78dc-87f4-050a02e913d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103172
StatusPUBLIC

Content hashes

Canonical text8b5bec90f4eeb6f8a653f5b50d9f5453241a967450c12eeb58fe120b7018c733
Markdowne617140e84c38d57379ccb5a4d2af699fe9f020f01d34a05cf13193b92feed97
PDF
Publication pageeb4dd71fa48fd201a1fa3d4b923a6e2c38c616ff8642e7ed603aa2a90b8d908d
Manifestf823ce7db272eea8ffebbb8ced3c8987b7e46baa482d70c079b650662b98b4a6

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
SignatureJiM+yAPCXQUAD48TFW5GLIo7aYpKRGJ5zyRv/M6GF6AiCU6/gBACpfag2F38sjPiFLmUGulRP2F1lRPngI9oDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:23.388052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103172
observed eb4dd71fa48fd201a1fa3d4b923a6e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.371288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103172/manifest.json
observed f823ce7db272eea8ffebbb8ced3c8987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.354867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103172/publication.md
observed e617140e84c38d57379ccb5a4d2af699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.336389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103172/publication.txt
observed 8b5bec90f4eeb6f8a653f5b50d9f5453...
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.