OpenTechnical

OT-2026-000048888

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048888) never changes.

Identity and time

Publication numberOT-2026-000048888 · never reused
Internal UUID01a0ae81-134b-76d2-899d-1782572ad59b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048888
StatusPUBLIC

Content hashes

Canonical text59e59cb5f7b412e0a5c3388392bac07f5d99828489041b2c10fee93f9321c010
Markdownbe57fe4cc8f8b373897f1eb2465422040e2b2e2e06f327f0f9d76f6d63bb7a48
PDF
Publication page0bddf42d99f0200cacbb1e7841c51338f76de64848cd2c7359ce1acfbb63e047
Manifestc9ed16011f9d2942eaafc1d2a262c96bae71a2f62aa15ef67dc402c7a9f21119

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
SignaturegMwszNbGrS/ZDdzqPb+aU3I1aw+jxZbG3my4L6GzYuaFc1MMKhzRIDiqdNaZrtM8szrGmKX7jBE1oOY+/lQ4Cw==
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

2026-09-17T11:03:02.966615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048888
observed 0bddf42d99f0200cacbb1e7841c51338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.946360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048888/manifest.json
observed c9ed16011f9d2942eaafc1d2a262c96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.927803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048888/publication.md
observed be57fe4cc8f8b373897f1eb246542204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.906642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048888/publication.txt
observed 59e59cb5f7b412e0a5c3388392bac07f...
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.