OpenTechnical

OT-2026-000019818

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000019818) never changes.

Identity and time

Publication numberOT-2026-000019818 · never reused
Internal UUID01a0ae6f-1fb5-7dad-b3b4-b6eed4ad5f4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019818
StatusPUBLIC

Content hashes

Canonical text06bbdc0652afaa03e811a38ea92dba14104da50af55f0616730c650e217b2f28
Markdown53a93b37c833faaa2f3173ced0c61020937049e999b69e81e6fb057a6a8893d8
PDF
Publication pagefeedd56565ca206cb9e862e13f5c91d3aa7ae4d5974626fb5cd50b9e2de0871c
Manifest093c13b2cce5d3740bedaeb7e524f6afd9d5a3a099fff975d84a103e14524aa9

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
SignatureQY19nUxv/O0Yk3nRWlwJ/zZDFiMsQJcaO0bJICl/PJQxSjj4UhztoGrEYhxsV8he0onYkwMYNz94DDDhZB1MCQ==
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

2026-09-17T11:58:00.382013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019818
observed feedd56565ca206cb9e862e13f5c91d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.362348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019818/manifest.json
observed 093c13b2cce5d3740bedaeb7e524f6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.343298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019818/publication.md
observed 53a93b37c833faaa2f3173ced0c61020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.326077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019818/publication.txt
observed 06bbdc0652afaa03e811a38ea92dba14...
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.