OpenTechnical

OT-2026-000037660

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000037660) never changes.

Identity and time

Publication numberOT-2026-000037660 · never reused
Internal UUID01a0ae77-b8cf-77cc-aa35-fd767351a0cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037660
StatusPUBLIC

Content hashes

Canonical text4765fc3554b92d7761778468c5e11ebfbcabd5448a7f0c2d790bcf25faa938e5
Markdown4094eb95e9bc6a48edaf00f0bf784b0303300f72b51981c51eae248e44621bf7
PDF
Publication page3a5b9b4731c7f05fe33eafcdf5aa3cbadbdd85558763fad8d0d6d1f610330f1c
Manifest214abe26177974a3e322dbbc2cd0b22efb94c9329cc904bfa25181793997583e

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
SignatureG+7Ku7SfhbIilIxyBi06RP5RQYa8//hL/l0TbLQYD533XT70tENGbY4hsGFKMJPzWiXHmEEU4igDEzAJMPjeAg==
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

2026-09-17T11:24:14.114057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037660
observed 3a5b9b4731c7f05fe33eafcdf5aa3cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.096653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037660/manifest.json
observed 214abe26177974a3e322dbbc2cd0b22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.078583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037660/publication.md
observed 4094eb95e9bc6a48edaf00f0bf784b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.059819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037660/publication.txt
observed 4765fc3554b92d7761778468c5e11ebf...
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.