OpenTechnical

OT-2026-000049636

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum 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-2026-000049636) never changes.

Identity and time

Publication numberOT-2026-000049636 · never reused
Internal UUID01a0ae81-8fed-70b0-a14f-8528092e988b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049636
StatusPUBLIC

Content hashes

Canonical text008211559497b108b7d3de5021bad7e509e9db739826df4e709b9dc7c7c83296
Markdown2ff31f4e5c5edaa555fec2182178baf2b8d6be2e5a6321e4312131d7dc793851
PDF
Publication page4089146f0525935f9fa2f6e1e9ecc562f9b3b585851b7588368259ee98a62e73
Manifest95770cd38252babfa56e65b15bb8377a546b63f78a4d238a3550467eecbdfb7f

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
Signature9TV2eetXauPAD9bW4fSyQfMf08LuNW8jDHcQbh2UDf7eDeNQbLTXpOdEIYQgYQtx2y7eKeBaTDtKI2OIMItnBQ==
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

2026-09-17T11:02:37.786477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049636
observed 4089146f0525935f9fa2f6e1e9ecc562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.768195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049636/manifest.json
observed 95770cd38252babfa56e65b15bb8377a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.751272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049636/publication.md
observed 2ff31f4e5c5edaa555fec2182178baf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.733570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049636/publication.txt
observed 008211559497b108b7d3de5021bad7e5...
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.