OpenTechnical

OT-2026-000015276

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000015276) never changes.

Identity and time

Publication numberOT-2026-000015276 · never reused
Internal UUID01a0ae6d-ef48-78c7-b599-f5b2a31852d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015276
StatusPUBLIC

Content hashes

Canonical text53f17bbaf2035f13a00bd976d7f08478ad9ead8a69c41bd78579aa7fdd7cccbc
Markdown2a860670892bea0b83712bc498e49ca8dc7358c9496bf91529e662356f32e7df
PDF
Publication pagece443ed2f5e186f293224349e054c4b98e8647b1cbd14ffce1c5296fbd7658f8
Manifestc05a9939ae6f28cc63ad55b2993b879618bbd6a7d8f237f72e8a61dd6bbab3fe

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
SignatureDs7y2xZHg++mFQDH/ahgNAdDgF/u2PSkro5RisU9HUg8gGkr+ilFRS7t6pWhM7rRX4Y8paenNpBtYBu6F0INBQ==
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

2026-09-17T12:05:57.417400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015276
observed ce443ed2f5e186f293224349e054c4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.396667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015276/manifest.json
observed c05a9939ae6f28cc63ad55b2993b8796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.376712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015276/publication.md
observed 2a860670892bea0b83712bc498e49ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.355593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015276/publication.txt
observed 53f17bbaf2035f13a00bd976d7f08478...
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.