OpenTechnical

OT-2026-000049630

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000049630) never changes.

Identity and time

Publication numberOT-2026-000049630 · never reused
Internal UUID01a0ae81-8fed-710f-98b9-6f6ccd27f55e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049630
StatusPUBLIC

Content hashes

Canonical textfd67ed047c02d70656e3fd8d466567937322e01b3e77af80f853a9a005a9dde5
Markdowndca7dae00eba6a2905a4719a0b0826dca7829d3038560b9aed464164f6d7b24f
PDF
Publication page72a666221f7a1c205cbdb8d0546166f4120b141c207623a1829b88ddd61e85ce
Manifestdd7a03934e9c48acfe01afb74aac056be46e748c0a5f05adb7ab9932af09a02c

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
SignaturePt4CzQ/QFTOmSS2dm+xDBty6xzR5qBZM+lWf/tXXxs53nBOmJdGMAMew5uaBc/CvFYhNwd/qlfM204TGbQzOAg==
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

2026-09-17T11:02:37.315246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049630
observed 72a666221f7a1c205cbdb8d0546166f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.299315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049630/manifest.json
observed dd7a03934e9c48acfe01afb74aac056b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.281276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049630/publication.md
observed dca7dae00eba6a2905a4719a0b0826dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.263377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049630/publication.txt
observed fd67ed047c02d70656e3fd8d46656793...
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.