OpenTechnical

OT-2026-000058518

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000058518) never changes.

Identity and time

Publication numberOT-2026-000058518 · never reused
Internal UUID01a0ae88-f39b-71a8-b3ef-637b865686be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058518
StatusPUBLIC

Content hashes

Canonical textafde4c6c630f5ca1ea17ad88b4ad98f5ce212bd79ad6ff72d60038432700e253
Markdown52f5b7b483bea4668733d010856042e2b66ed7cdc14ba87f16fcbedd5c87f0b7
PDF
Publication page79025fe6155c7d2971094b06c2a791d384262d1b73243fbb232a39ad78fa221d
Manifest2681b155694aa2106e1f35b2a9f138a2750e88b0f97c5533932a8df17b3528f7

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
SignatureTPgjDRHsGgGCLMMycTR51CWoQyCKrNmYas3hyzPF0Fv4mXKHI33jkN9QKwS48a7eQFYiLJnhUIfUMPN2K54iBA==
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

2026-09-17T10:46:58.686791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058518
observed 79025fe6155c7d2971094b06c2a791d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.669482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058518/manifest.json
observed 2681b155694aa2106e1f35b2a9f138a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.651282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058518/publication.md
observed 52f5b7b483bea4668733d010856042e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.634532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058518/publication.txt
observed afde4c6c630f5ca1ea17ad88b4ad98f5...
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.