OpenTechnical

OT-2026-000040288

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000040288) never changes.

Identity and time

Publication numberOT-2026-000040288 · never reused
Internal UUID01a0ae79-2700-7cef-ab28-f09ef30726b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040288
StatusPUBLIC

Content hashes

Canonical text954b3830f63457fb3cdee35320daf0956145a000d00b7285260d8ea04860cac1
Markdown65f067f8e093a5e850fd2832949dbb2c143a7bd903adf6c31d546d68c16322b1
PDF
Publication page6624ba60adba6bbc0dca79895b3bfe1e555baf2e8757e91f541fd20099fff9bd
Manifestc683427835380e111d6aeba2673ee6bdf21593f9fc7de03726701be6efbd7bce

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
SignatureZZkj95glcF6bCOAXbKmtdtceE6zRkuDf+EiLIfXTH0G8j50CIa7zqeX0qB6A4vQLgjhtSe47C3W2I8B72tyvDw==
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

2026-09-17T11:19:11.541616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040288
observed 6624ba60adba6bbc0dca79895b3bfe1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.524491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040288/manifest.json
observed c683427835380e111d6aeba2673ee6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.506907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040288/publication.md
observed 65f067f8e093a5e850fd2832949dbb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.488746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040288/publication.txt
observed 954b3830f63457fb3cdee35320daf095...
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.