OpenTechnical

OT-2026-000052481

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000052481) never changes.

Identity and time

Publication numberOT-2026-000052481 · never reused
Internal UUID01a0ae84-573a-7f92-96e6-992db429aead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052481
StatusPUBLIC

Content hashes

Canonical text775c060b92c23af5b5fc1ff44073045084a03486a58283aac3a7f936c9f8fb69
Markdown0c61bf5e904e68a68323686ac6f7ae4e9c28c681fcc844aaf913333b8ffba6ab
PDF
Publication paged6db097ee0b791a17b5dc0265d3e4aeada801369ba64a556a5d5247ba876245b
Manifest629acd5dcfa9170a7cfb8cb1f9e8bf9bf61fdd1dab5647629d00ea30454f4830

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
Signature/npmSXN1GwA55YPFVdnvauxspoOAnMJxCn46H8aH2ZeV8oKBWgoB8DDo9do65Y95d2KQ9vRk8YJNauAyBKVpCQ==
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

2026-09-17T10:57:06.783120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052481
observed d6db097ee0b791a17b5dc0265d3e4aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.765765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052481/manifest.json
observed 629acd5dcfa9170a7cfb8cb1f9e8bf9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.749211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052481/publication.md
observed 0c61bf5e904e68a68323686ac6f7ae4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.729842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052481/publication.txt
observed 775c060b92c23af5b5fc1ff440730450...
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.