OpenTechnical

OT-2026-000021048

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000021048) never changes.

Identity and time

Publication numberOT-2026-000021048 · never reused
Internal UUID01a0ae6f-65e5-7ecf-9175-2095edd83c61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021048
StatusPUBLIC

Content hashes

Canonical text4f24b6f5c8178563443a6e8cc12df1e0eeaec470ab6bd0a9be605aef9b906684
Markdown1f8c022dd91e32ee7e151c9525228beb77b648331c1a63b65579b7579c601930
PDF
Publication page5d29228e98cb597a34c4aae9c7d908d90dc3c5b55d12b6855822aae6822baa11
Manifest26144bf24228f09cf3ee8ec9bd4a5c9931b06fe96c9b8b34b588c85ef2c3ac9a

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
SignatureIGSr/lFIGcsGEx7Vw1CYwEYx5EXYWPeHHWT+bs20G5j++G+x+uk7/R/AS7JECq17GxpQKv1CQFVOZmfk7tT3AA==
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

2026-09-17T11:56:12.887909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021048
observed 5d29228e98cb597a34c4aae9c7d908d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.869112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021048/manifest.json
observed 26144bf24228f09cf3ee8ec9bd4a5c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.850043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021048/publication.md
observed 1f8c022dd91e32ee7e151c9525228beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.832002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021048/publication.txt
observed 4f24b6f5c8178563443a6e8cc12df1e0...
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.