OpenTechnical

OT-2026-000037956

Publication integrity record

Single bellows cup 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-2026-000037956) never changes.

Identity and time

Publication numberOT-2026-000037956 · never reused
Internal UUID01a0ae77-f88a-7499-b2dd-11bbc350ec34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037956
StatusPUBLIC

Content hashes

Canonical text9d5d15e8d6d053d31e98180f4405437559a8ae76ff61e77c75a4e85787c59071
Markdown22c8f5ff2d53d822b0fe8bd6d58205df3e54a8d9fd87faf9a837d0457c126f37
PDF
Publication page2b9acffcac18b607f0f05fc22741117d5e36ebfb34d7ee54ac1683e4b03d9f7c
Manifestf3c3d2eb7bbed6bf35af1400aafe229a4ad9c357c90be8a594793da917a997d3

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
SignatureUHHoXijq2S3h2of9m8QYT6elaShh8WUJvgkYuqlj/s3wddBLQUQbMJ6txPnS/KmEUlY2MlVb1bo2N8KHmcDIDg==
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

2026-09-17T11:23:14.620831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037956
observed 2b9acffcac18b607f0f05fc22741117d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.602717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037956/manifest.json
observed f3c3d2eb7bbed6bf35af1400aafe229a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.583216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037956/publication.md
observed 22c8f5ff2d53d822b0fe8bd6d58205df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.565676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037956/publication.txt
observed 9d5d15e8d6d053d31e98180f44054375...
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.