OpenTechnical

OT-2026-000027629

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000027629) never changes.

Identity and time

Publication numberOT-2026-000027629 · never reused
Internal UUID01a0ae72-6999-7021-bd99-5aaeb24bc18a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027629
StatusPUBLIC

Content hashes

Canonical texte85e5ca7c59ca774af2825a10e99de1664633f24ccf0b6d2d67bfb8d4551870f
Markdown8a2b2d9bb2e60d230020cb6b4e83959dbe8f1e232d68ca3cd39ed4ab67a15c53
PDF
Publication page417444ccffb899c52734140b1a895db4f514af52140d948fb4d10236bcaaabad
Manifest726704d7bca74091619b0024a4a032965c39d7106287264692f42c59ba7c7c23

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
SignatureBhIq70sNVvod8hHcKzxapPrFX3hFmj4se0A2+/2T69ffXxoMhu/wVb3BPkxcvl19cntI/I99xJrwO4F/ChgBBg==
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

2026-09-17T11:43:09.112427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027629
observed 417444ccffb899c52734140b1a895db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.096157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027629/manifest.json
observed 726704d7bca74091619b0024a4a03296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.079721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027629/publication.md
observed 8a2b2d9bb2e60d230020cb6b4e83959d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.064316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027629/publication.txt
observed e85e5ca7c59ca774af2825a10e99de16...
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.