OpenTechnical

OT-2026-000053988

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000053988) never changes.

Identity and time

Publication numberOT-2026-000053988 · never reused
Internal UUID01a0ae85-b3a7-7fc3-82e6-702b5428ba2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053988
StatusPUBLIC

Content hashes

Canonical text39d9bdf0d5d40df5431586453c18d67c984dcb16a3d5b5f690d0a83d6258cdf2
Markdown894cad9632785ee2446a3a64e4bc3da6a642aa6faa76895dff475a91abde9e76
PDF
Publication pagec04826fbfd6c6380361c775881a17fe07d8ab706d7369361f99571bccb54cb49
Manifestb9985f68aa7f2a040c594d0c8b6bf501f38fe22aace0db5abfdbb5f5706d17fb

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/PbaiuV5OeUxkCTSpvKlGNo8atq6c/LVYCaGjb17xHVcMd+SK1Qwgsk46wjA4E0I9u56pBwcLHOI3wsddEUIBw==
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

2026-09-17T10:54:17.915799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053988
observed c04826fbfd6c6380361c775881a17fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:17.857972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053988/manifest.json
observed b9985f68aa7f2a040c594d0c8b6bf501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:17.827118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053988/publication.md
observed 894cad9632785ee2446a3a64e4bc3da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:17.803360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053988/publication.txt
observed 39d9bdf0d5d40df5431586453c18d67c...
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.