OpenTechnical

OT-2026-000056813

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000056813) never changes.

Identity and time

Publication numberOT-2026-000056813 · never reused
Internal UUID01a0ae87-7af7-7d52-b82e-680bae6be94c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056813
StatusPUBLIC

Content hashes

Canonical textf157d8bfbd38a1353a9f5bcfa4122622f47bbc89baed7af89ee126ded2d9e9c8
Markdownf0eb80ff5319a0f7fced4fe370d4ed34efa836c12c257bda92753e1135a7040c
PDF
Publication page14adc18c56afd6c73c0b1ca862dd2d493d541188309e919fbfc9f1ddbfad80d0
Manifest9c2107963df54aef62480a52628a07dfd005b5d51139b91a52ea76967d8457a0

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
SignatureIkQIvnyiQCIMGPDHuINYKW2YQzpwW/SaHl4isw0nVjAayZpM+wOK/r8eOp9dn/64USqXQU1SsJZx5aiXXrqyBQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.108109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056813
observed 14adc18c56afd6c73c0b1ca862dd2d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.090691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056813/manifest.json
observed 9c2107963df54aef62480a52628a07df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.071442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056813/publication.md
observed f0eb80ff5319a0f7fced4fe370d4ed34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.008812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056813/publication.txt
observed f157d8bfbd38a1353a9f5bcfa4122622...
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.