OpenTechnical

OT-2026-000019284

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000019284) never changes.

Identity and time

Publication numberOT-2026-000019284 · never reused
Internal UUID01a0ae6e-f392-7216-b864-878a37a46aa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019284
StatusPUBLIC

Content hashes

Canonical texta2cfbb20a46032d3c08d302b4846ba1ec0c03d99ac9c102a6a95825e7ff73009
Markdownfaa4e95e0839b1b2334980e0fedc8315fd8cc8642007d5db67b09d7f245ae1c4
PDF
Publication pageedafd8dae9cfd584c9777c3b95d3b84fac27e4e048d509008a219866957ab202
Manifestefbcc223da937db7b416878c6f6761690892be75d5538708b4b9a986bcce6950

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
SignatureHO7Oh0BKZautkCmmPGNAH+D5vIsq4Upb/sF3p27TlMe0j4lF73RAy2aFpZi8JNXzsWS9ZHMv6lETYIiT+S9HAw==
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

2026-09-17T11:58:38.178481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019284
observed edafd8dae9cfd584c9777c3b95d3b84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.159898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019284/manifest.json
observed efbcc223da937db7b416878c6f676169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.135115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019284/publication.md
observed faa4e95e0839b1b2334980e0fedc8315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.117610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019284/publication.txt
observed a2cfbb20a46032d3c08d302b4846ba1e...
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.