OpenTechnical

OT-2026-000027017

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000027017) never changes.

Identity and time

Publication numberOT-2026-000027017 · never reused
Internal UUID01a0ae72-3453-7d71-ad39-e086b8702863 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027017
StatusPUBLIC

Content hashes

Canonical textd3723f236472594e75609c846a6f66820e082ad5f17b429b988b279f13eaa2d1
Markdown339013a9ba0c8abd27351d3b8f506ac8d2cc5438aa7f97a46cb7a0e2127c0e91
PDF
Publication page153cbdd1d9e866aeca4dd58cbb09230093b5db2d6e6951f8ca43c236d3ea8db0
Manifest829ee650b0b3c890ad6d935416def54808bdc85dc98905a67f4d689106c95fbf

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
SignaturewuAo9KzBePyzQRUWKaSnCzR7cF89y4YMV+XY3EVwD63kgNlTnzrBmRU3EQcwUGaa8uF/3qGjML+bhfdUA/dYAw==
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

2026-09-17T11:43:46.021268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027017
observed 153cbdd1d9e866aeca4dd58cbb092300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.002873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027017/manifest.json
observed 829ee650b0b3c890ad6d935416def548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.982715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027017/publication.md
observed 339013a9ba0c8abd27351d3b8f506ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.964966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027017/publication.txt
observed d3723f236472594e75609c846a6f6682...
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.