OpenTechnical

OT-2026-000052916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000052916) never changes.

Identity and time

Publication numberOT-2026-000052916 · never reused
Internal UUID01a0ae84-a42f-79f2-898c-a7533aec5dfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052916
StatusPUBLIC

Content hashes

Canonical text73702d224496155214e68688dbf83139bf5714d5aab362de4ebf25ab59b7139c
Markdown6f392b34fc3a9148f6b9524565de3f3ba4e20b84898711534cbd011a11bb8c6e
PDF
Publication pageec3ffd52b5cf231cf9fb45d0c4fd6252753f1d5f45be49e7e7b468f3a962d90f
Manifest0cfe2101743944e91c0c00420b1afcdca8e26eca27c5d037942c2ac3a8340592

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
Signature15KzMa1AtbsM7NZCgocNT/YiSu6S4VnjLmN1bs2ohB9wylkp+u5XgPLO/0yNEWr6ySGCfdd6xENClVCIn9bzBA==
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

2026-09-17T10:56:33.684398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052916
observed ec3ffd52b5cf231cf9fb45d0c4fd6252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.665373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052916/manifest.json
observed 0cfe2101743944e91c0c00420b1afcdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.647997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052916/publication.md
observed 6f392b34fc3a9148f6b9524565de3f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.630367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052916/publication.txt
observed 73702d224496155214e68688dbf83139...
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.