OpenTechnical

OT-2026-000046408

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000046408) never changes.

Identity and time

Publication numberOT-2026-000046408 · never reused
Internal UUID01a0ae7e-57dc-7284-8fd1-29d7942a6162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046408
StatusPUBLIC

Content hashes

Canonical textc402070c453a8767bc5508d2385fd8e34e90a0bb9f3413ea0554bf6292533dbb
Markdown16364705ac1f18ea1bc134c8b41021af44c9af65457e69beeb12a1a5f39d8acc
PDF
Publication page9bbc202ec72a82d137293dd29be8c2dd9d9035378b2d263b2730bd51b451fb4f
Manifestdee0f125c7cdfcafbfd03cf05cc547e2426390b89384658f342af6b77c4147f3

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
SignaturetgPSExAJ4KmMRlc11QjZcRGy0MwmWQ+GT9K3OFlHRm4YwQ8ysv19NR/XRay1zuQUagdeYHTLrkIv/tW9a5r2Bg==
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

2026-09-17T11:08:25.039553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046408
observed 9bbc202ec72a82d137293dd29be8c2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.020243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046408/manifest.json
observed dee0f125c7cdfcafbfd03cf05cc547e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.000991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046408/publication.md
observed 16364705ac1f18ea1bc134c8b41021af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.982588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046408/publication.txt
observed c402070c453a8767bc5508d2385fd8e3...
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.