OpenTechnical

OT-2026-000061845

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061845) never changes.

Identity and time

Publication numberOT-2026-000061845 · never reused
Internal UUID01a0ae8b-b8ac-709d-9f1a-c62715d7f9ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061845
StatusPUBLIC

Content hashes

Canonical textfafa8dce8692d5a89f1267035ddfef78c14a6cdec21e7f5b797549f73ea0a6e1
Markdown0b412b91cc52b37a7ae274716d266261fb8384dd7a5aa9e6ccec672126dcfa7b
PDF
Publication page6299def11eecb75539ebff28329c7e822925e61ac4d0c809f74aaf00c49a4fd1
Manifest1f20c9d1b4f0966d0191f731cbaabc7a82902ad4a10e0a3442bfa5f561260039

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
SignaturecB8908d5DPkG/SIiwq8sZulKIW5OGmjd14b4OtlbsFztJIdjBfNAYTI64BImBofoEWmnjB45jrIt8SkrVnJ8Bw==
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

2026-09-17T10:40:41.710098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061845
observed 6299def11eecb75539ebff28329c7e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.688722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061845/manifest.json
observed 1f20c9d1b4f0966d0191f731cbaabc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.665476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061845/publication.md
observed 0b412b91cc52b37a7ae274716d266261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.644655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061845/publication.txt
observed fafa8dce8692d5a89f1267035ddfef78...
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.