OpenTechnical

OT-2026-000010211

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000010211) never changes.

Identity and time

Publication numberOT-2026-000010211 · never reused
Internal UUID01a0ae6b-cb7b-7134-9556-8e8312162429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010211
StatusPUBLIC

Content hashes

Canonical text786ac4a456d8aa5662e0ec1e957b798499e73e0c56b53d4c0d436bc5827f1670
Markdownebc5dc841474fad816de11d242208e3f90ecc4cf2b5f5bb71b4dbf52a9a370ef
PDF
Publication pagea7b400b7b7551c1884892272ae7f52ccabf22930b2fd8df28306f4d9a5926474
Manifest370485582c867c630dec97f136513f4d8aca7d088840355ff42421eb80dc426b

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
SignatureFjfszkFR172LSThT1SjLMP5kS38h0jMHyouwpnQm00V+9gllNxzajVao6nRexYW5jjNGWGidzr4m6IJ/A2n5Bw==
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

2026-09-17T12:16:20.064829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010211
observed a7b400b7b7551c1884892272ae7f52cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.045386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010211/manifest.json
observed 370485582c867c630dec97f136513f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.024974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010211/publication.md
observed ebc5dc841474fad816de11d242208e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.005743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010211/publication.txt
observed 786ac4a456d8aa5662e0ec1e957b7984...
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.