OpenTechnical

OT-2026-000017985

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000017985) never changes.

Identity and time

Publication numberOT-2026-000017985 · never reused
Internal UUID01a0ae6e-96fc-7117-a98f-aa2dbab9e8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017985
StatusPUBLIC

Content hashes

Canonical textbc8dc42404917d69af02e6d0afccf3416b88c3cb0c0c6a42a74b315134dd774f
Markdown6541dff886b556b9a2c0a9b6ba2fd6141c844ec5060ab58701a013d52af09476
PDF
Publication page312976f8e7ab7ab2628778c2aa60bb755e91bb08233feffbd626799b6a4b0e82
Manifestdb0d6e9c8a271a565d05cece119e2d1398fd88d336efd874c9fd544fbded5871

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
Signaturee0Yu7r9c6xTT6Tdf7SHvWUkwqqlLD5bHshD+dCfsl6n8zFTL64FwyynLnMMMvqjPaza/OJPgc6klsv7jdwWZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:00.170746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017985
observed 312976f8e7ab7ab2628778c2aa60bb75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.154568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017985/manifest.json
observed db0d6e9c8a271a565d05cece119e2d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.138663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017985/publication.md
observed 6541dff886b556b9a2c0a9b6ba2fd614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.122166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017985/publication.txt
observed bc8dc42404917d69af02e6d0afccf341...
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.