OpenTechnical

OT-2026-000029991

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000029991) never changes.

Identity and time

Publication numberOT-2026-000029991 · never reused
Internal UUID01a0ae73-ac49-7dea-8cd5-0a83daa7dec8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029991
StatusPUBLIC

Content hashes

Canonical textc0b8942bd78a99dcd16721353f7e764b46900e963b129b91a2db1b260f3563ee
Markdown347868dfb97829c66814c29113b2bc9555ebc7c12cd0fa9118f3799b31b57dab
PDF
Publication page32267d66c412c0d34966ce8b9f86cc2206c0e6022eac0437f02a17e41563177b
Manifestedc9bb39b7edade8e6e48c532d437c479d0125ae4fb9e795b01db53b7d7c3d02

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
SignatureF5KApphPXEc1QFymkq2MfGgPPMSW47hjwVSJUD5XQDJ9Q58YDQbgj4Sg4DQNKheZeRU122FXWEFZvZ69hHpaDg==
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

2026-09-17T11:38:43.044310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029991
observed 32267d66c412c0d34966ce8b9f86cc22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.025941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029991/manifest.json
observed edc9bb39b7edade8e6e48c532d437c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.010248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029991/publication.md
observed 347868dfb97829c66814c29113b2bc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.991664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029991/publication.txt
observed c0b8942bd78a99dcd16721353f7e764b...
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.