OpenTechnical

OT-2026-000027817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027817) never changes.

Identity and time

Publication numberOT-2026-000027817 · never reused
Internal UUID01a0ae72-a4a5-7d81-9caf-758bbef4268f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027817
StatusPUBLIC

Content hashes

Canonical text572793ed0b07ea9ffe2b2a401672db2bfacd01208c14f718ec997aba3d0ec8b4
Markdown5f66ca0e8bdd2300f1d6f3b222d5eb5686f102ce1c0aca8e90d4b664b402cbc3
PDF
Publication paged935470e32bb26050d715242073ed4db15ecaaa71e3ca0d0cd86d9b55d87338f
Manifest415bb4ce8daa2d685637e20e700f9d8d8a84b72b3fb7980e02a365102acd287c

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
SignatureY6JLCHwUo9oeTgMFMNkaA6fLFNazo1ZlcCr3u8/02GDJh5SNktP7pvVECH3X0PRkznFYtcehdbeBhddwMGvTCg==
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

2026-09-17T11:41:52.182416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027817
observed d935470e32bb26050d715242073ed4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.166088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027817/manifest.json
observed 415bb4ce8daa2d685637e20e700f9d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.148320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027817/publication.md
observed 5f66ca0e8bdd2300f1d6f3b222d5eb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.130980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027817/publication.txt
observed 572793ed0b07ea9ffe2b2a401672db2b...
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.