OpenTechnical

OT-2026-000037936

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000037936) never changes.

Identity and time

Publication numberOT-2026-000037936 · never reused
Internal UUID01a0ae77-f88a-7c51-adbe-e7d700f6163f · 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-2026-000037936
StatusPUBLIC

Content hashes

Canonical textcf43f2dac11e7ca80eacbc766d3bf5dd5523f2b7be540d5cdb4c52e9da1e5194
Markdownae9e3674df4e6f5238aa45f623332857c6ab81c4053593342537473d24a3308c
PDF
Publication pageea95521a5c4db3ed18271152208b19ce3c503d91e9c9e92104730a313c403267
Manifest050cca516bf99b8e78a458edfb608376cb1019aaab9bc7fb7374adfbc35c2d93

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
SignatureThbflAZFV7w5fdA24Do4+bXYMdD6bgV9YyZCOHS3K3KJ7cVoEn/eYCpCan97ELmzSwYb6AsVB+F+x13SLA2+Dw==
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

2026-09-17T11:23:13.149161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037936
observed ea95521a5c4db3ed18271152208b19ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.129772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037936/manifest.json
observed 050cca516bf99b8e78a458edfb608376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.111550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037936/publication.md
observed ae9e3674df4e6f5238aa45f623332857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.091105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037936/publication.txt
observed cf43f2dac11e7ca80eacbc766d3bf5dd...
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.