OpenTechnical

OT-2026-000017288

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017288) never changes.

Identity and time

Publication numberOT-2026-000017288 · never reused
Internal UUID01a0ae6e-76c8-7701-bec4-c07c47a2899a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017288
StatusPUBLIC

Content hashes

Canonical texteff602a57c9935d5436d447d77c418fe69c22698800e3dbfb7abc473d40762fb
Markdown2dcdd108b9544e780ea4214ed416adbd01743e9284317b5c71aa212fc0c3074b
PDF
Publication pagef936eb537154deb7da83e4d85708f058443a5ba4a87d1bffc131621e18a9a0d9
Manifest47764413f557ddf63f7a77c02ec985856153c1b03855988972f6af99a37b1abd

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
Signature9J+r9XlIQkUWkvX2V8MyK0K16siD5CNBWcxUpgM1+jdByFa8rKKMjRWApBafNF20zmzdaAXH7qbP/OEKCSxGAw==
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

2026-09-17T12:02:23.149967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017288
observed f936eb537154deb7da83e4d85708f058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.132118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017288/manifest.json
observed 47764413f557ddf63f7a77c02ec98585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.113625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017288/publication.md
observed 2dcdd108b9544e780ea4214ed416adbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.095240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017288/publication.txt
observed eff602a57c9935d5436d447d77c418fe...
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.