OpenTechnical

OT-2026-000061559

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000061559) never changes.

Identity and time

Publication numberOT-2026-000061559 · never reused
Internal UUID01a0ae8b-7b44-717f-9751-f5af15193288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061559
StatusPUBLIC

Content hashes

Canonical text09f7485e37220d6d2292805b1e61b1acb845256532a9746b9c9ac1e5d67e2a0c
Markdownc0dbcd9c3ce0ab4c4569a8049f11f6ec6f480921ec3a24142fbbbed150a5b070
PDF
Publication page5ac44bb1f8ed98be9ce26e446788f6850c6688597f81ac78cb5781e294f3b9fd
Manifestff4ce50ba4aaf4249f6294e2c7d2425e88a0f7763a9085e1dfb11e90a4c445e9

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
Signaturea1wND8lvbRwC/w4TYqjBvbfqocPEM8VNtFLz1PezYVOtB3ezqk+hdxMPSRDFw4gcBoqaDxbW/xNogbPK7TFYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:28.378295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061559
observed 5ac44bb1f8ed98be9ce26e446788f685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.358619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061559/manifest.json
observed ff4ce50ba4aaf4249f6294e2c7d2425e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.338816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061559/publication.md
observed c0dbcd9c3ce0ab4c4569a8049f11f6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.319901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061559/publication.txt
observed 09f7485e37220d6d2292805b1e61b1ac...
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.