OpenTechnical

OT-2026-000050148

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050148) never changes.

Identity and time

Publication numberOT-2026-000050148 · never reused
Internal UUID01a0ae82-5c45-7ab5-9d1d-0dedb4dc095b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050148
StatusPUBLIC

Content hashes

Canonical text230543000256caaf17214df8e71dd93c4977edde4117d2a7eb7ff0e643d37407
Markdown8ce620c2e58b0ea4ca5477de314100b2f518a5762ba36bcaa6b4b234e7e47ef0
PDF
Publication pagef78ce74ea2f071dd8d2291a81acbacce3118e1ffa1acdfd41ec2670ca1938895
Manifest71f045f68d29a98a371770af78ae44df5b8d2b16b32bc4553d96af77962879ad

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
SignatureTG0ASmmdbZeMdzhifn/LsfNCPgkRkl9NnxLRHNNjuOheXRu7zNdciwNfLAnjzU7I8FyC6mwpt0FW89ZL84pNAg==
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

2026-09-17T11:01:07.225146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050148
observed f78ce74ea2f071dd8d2291a81acbacce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.209116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050148/manifest.json
observed 71f045f68d29a98a371770af78ae44df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.190743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050148/publication.md
observed 8ce620c2e58b0ea4ca5477de314100b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.174702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050148/publication.txt
observed 230543000256caaf17214df8e71dd93c...
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.