OpenTechnical

OT-2026-000058876

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000058876) never changes.

Identity and time

Publication numberOT-2026-000058876 · never reused
Internal UUID01a0ae89-479f-7a16-9517-c774027e4789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058876
StatusPUBLIC

Content hashes

Canonical textabebce886e377d2757033b945420956c689749b316d1e9cf9e1bfe73db7e1734
Markdowne15a62f8cc676dcb99ad701896fe0bd51cf7c9ba7424e7cc2df15ee4542e4b4c
PDF
Publication paged476491b074d7d2350570ff7d1c27ca15536e7d25d5c93a1adc672bcf2ace8f5
Manifest8ff4fbf82fa7cdd69704aae20d56feeda9d182514b78962f4f633eb8a96d4c43

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
SignaturemSeAd57jFHHcZINGlGrgx6M4Rlt6jN+wJ3xO+yZM2/EF+h8gxm9EHGFxy9Y0UO0EXk4GBf+Cdfu1Gbob+tdiDQ==
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

2026-09-17T10:46:25.174369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058876
observed d476491b074d7d2350570ff7d1c27ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.157201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058876/manifest.json
observed 8ff4fbf82fa7cdd69704aae20d56feed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.138980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058876/publication.md
observed e15a62f8cc676dcb99ad701896fe0bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.121817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058876/publication.txt
observed abebce886e377d2757033b945420956c...
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.