OpenTechnical

OT-2026-000061888

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000061888) never changes.

Identity and time

Publication numberOT-2026-000061888 · never reused
Internal UUID01a0ae8b-b8ad-7d91-91ee-f126dc8de0db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061888
StatusPUBLIC

Content hashes

Canonical text8d5a936a07bc68a7bd42f884fc82f2edc3a1bf3a3f799602648f8bca5c37023c
Markdown3cff3e389fce33d70157d48af82f4e9f0f815b63308d9a0307d14ac20341a035
PDF
Publication page38da732a0decd3c8c5a996622380cfd342e536ffbf6d9ff72e0a9b743669ce11
Manifestd28eeccca4246a1f03fe23950c3d96632580b22dd9b93da0a01c38b9ec1f26fc

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
SignaturexjM6BG5MDKtTG/5eznES5MltBLEQRiTO5LwRReBoNNwrWQPt2SVKhwDgvyKDcM1SzYG3nfHaPro4+wzjnJh7CQ==
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...

Independent retrieval

2026-09-17T10:40:45.411761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061888
observed 38da732a0decd3c8c5a996622380cfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.388496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061888/manifest.json
observed d28eeccca4246a1f03fe23950c3d9663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.365494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061888/publication.md
observed 3cff3e389fce33d70157d48af82f4e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.346210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061888/publication.txt
observed 8d5a936a07bc68a7bd42f884fc82f2ed...
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.