OpenTechnical

OT-2026-000048297

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048297) never changes.

Identity and time

Publication numberOT-2026-000048297 · never reused
Internal UUID01a0ae80-4de3-79c4-b985-0300d53cfa05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048297
StatusPUBLIC

Content hashes

Canonical text8d7b128ad624662a3291841511c8e0d25c7695ba8f3b921432310c707875d120
Markdown0b1094d3d7b1efd6684d968152bce7194d64a78e74ce569dc7b016fa91d932c9
PDF
Publication pageed420a5a83321ead834175ac2c7e0789786ea4b5668b4c28237bd67bd132850a
Manifest36975b2e63179569cb2bd48fcb16bdac427780590e6d093c31724e5c62adb34b

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
SignatureR9Yg8+AymhKFBOp8QjtpUaqRKda5o+iOSlvFqwDGp2kkfHir8MHGqCbPoXD6qpvlsrxhnD8LiLwFxycql8AXBQ==
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

2026-09-17T11:04:53.163087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048297
observed ed420a5a83321ead834175ac2c7e0789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.143448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048297/manifest.json
observed 36975b2e63179569cb2bd48fcb16bdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.121814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048297/publication.md
observed 0b1094d3d7b1efd6684d968152bce719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.101366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048297/publication.txt
observed 8d7b128ad624662a3291841511c8e0d2...
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.