OpenTechnical

OT-2026-000055149

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000055149) never changes.

Identity and time

Publication numberOT-2026-000055149 · never reused
Internal UUID01a0ae86-5e82-7351-b7fa-330ae94e58c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055149
StatusPUBLIC

Content hashes

Canonical textbf195a76b3e6d3ad4a739fb9abbcb65b302b6cde2ab5b7e159883d1a6838a541
Markdownd99632bcb91db844fff5a4fc9046eb37194a0445f1f67b124953a806f535a2b4
PDF
Publication paged78ae7e71a47ee5bb2749fe3e7575e0c9935ffbc379ca782d4cfa3e73ddbde40
Manifestc6bfb58cea4c6fa798660d22328a6edbf1c40a6c600322a7d6a79405408d4163

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
Signatureu+DUjYTWvAziZFUtxPZKdJ65+0faxzGuOd3fsJeixg/jkybV2lacA1pP2uLT/fwpv3zQd5cHUSfxPkut0YHsDg==
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

2026-09-17T10:53:19.724542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055149
observed d78ae7e71a47ee5bb2749fe3e7575e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.706788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055149/manifest.json
observed c6bfb58cea4c6fa798660d22328a6edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.687066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055149/publication.md
observed d99632bcb91db844fff5a4fc9046eb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.669281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055149/publication.txt
observed bf195a76b3e6d3ad4a739fb9abbcb65b...
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.