OpenTechnical

OT-2026-000015332

Publication integrity record

Single bellows cup vacuum gripper, pump 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-2026-000015332) never changes.

Identity and time

Publication numberOT-2026-000015332 · never reused
Internal UUID01a0ae6d-ef49-767f-b68d-b58ef927f849 · 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-2026-000015332
StatusPUBLIC

Content hashes

Canonical textecd04c256a50a2c0736eadbb6b45308f89b65fc147610d0dce2ee1112d8c6fcc
Markdown9ee673be83df2ba4e782eba53fa6fcc48e0ccf3dd5f61f667559446b4e9f9439
PDF
Publication pagee76ca8e03dbd6b021c7010f7e15976ef37d7bb96cc661785a109f02822282679
Manifest5a0a28c07371a3b0924de134da28cfc14c29989f0254835ec7e0c00940cc8c66

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
Signaturen3rKAG8YdULDDlihd4lQkAAYO6uJXZHSlBSiTo/CnTg+AaCvsq5sDmMhah4n7IBAa8pSgcqp5NN09D3op99wCg==
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

2026-09-17T12:06:01.931164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015332
observed e76ca8e03dbd6b021c7010f7e15976ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.911260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015332/manifest.json
observed 5a0a28c07371a3b0924de134da28cfc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.892193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015332/publication.md
observed 9ee673be83df2ba4e782eba53fa6fcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.873677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015332/publication.txt
observed ecd04c256a50a2c0736eadbb6b45308f...
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.