OpenTechnical

OT-2026-000025058

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000025058) never changes.

Identity and time

Publication numberOT-2026-000025058 · never reused
Internal UUID01a0ae71-2729-7acb-a96e-29d1a3db6c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025058
StatusPUBLIC

Content hashes

Canonical text3885b360a5dab6349ebf94e8c7757ac166ecf2477ab3fd8f662cadeb0e132d74
Markdowna2a817db4249bce7586f840bd5777fed2e781446558f24e26e26c0191478e296
PDF
Publication paged0be37ee4a7a20ac0b974ea9c58bc19e24eb29c289a10d2a69c3d4b7a3fa7078
Manifest4e8860afa6895a0bb103a542072ccf7d52604d26cae65feec8352a41a9366377

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
SignatureYm2BjasHU/I9mp/ppD5veHTuJr65Yx6mx8hYX0sMcUqwu1pSXFRPiMbWVZealIPiXhuLIVFHIpe32lJAEnU7AQ==
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

2026-09-17T11:48:28.052424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025058
observed d0be37ee4a7a20ac0b974ea9c58bc19e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.033131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025058/manifest.json
observed 4e8860afa6895a0bb103a542072ccf7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.013337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025058/publication.md
observed a2a817db4249bce7586f840bd5777fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.993813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025058/publication.txt
observed 3885b360a5dab6349ebf94e8c7757ac1...
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.