OpenTechnical

OT-2026-000042575

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000042575) never changes.

Identity and time

Publication numberOT-2026-000042575 · never reused
Internal UUID01a0ae7a-c0cd-7f36-a21d-8763700fbe55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042575
StatusPUBLIC

Content hashes

Canonical text06e261c681272c01a9ae8b01b07342ac3c0824e7b96a1f645e211b63b0e03e4d
Markdown738100cb5cece734759894e3214fff1ed3c3626017a9d96ad19b04706ed42c0d
PDF
Publication pageea9ef5e098d8b3ac674fd60c304fe48928fe4fce4f5c92710dc3d3509f34d086
Manifestf9d4d590d6a9dd2eb41ae08f4c1bc006b8b6ccdbf3913ce7964b9ecfc26b3d8b

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
SignatureWf8AJ5T67VT7dsvh47EDirh8uq1SckekFOOTRNzfjB/MGNskjHIMUcMQKdzW7sO6jmceoTzRAXFk3MZQWszvAg==
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

2026-09-17T11:14:17.449630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042575
observed ea9ef5e098d8b3ac674fd60c304fe489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.429028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042575/manifest.json
observed f9d4d590d6a9dd2eb41ae08f4c1bc006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.410654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042575/publication.md
observed 738100cb5cece734759894e3214fff1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.391089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042575/publication.txt
observed 06e261c681272c01a9ae8b01b07342ac...
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.