OpenTechnical

OT-2026-000050136

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-2026-000050136) never changes.

Identity and time

Publication numberOT-2026-000050136 · never reused
Internal UUID01a0ae82-5c45-7042-99c0-0ff93ba09a6f · 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-2026-000050136
StatusPUBLIC

Content hashes

Canonical text534409238c1e1f346a8d10ef91858b249a4a209be14c73f373a53992ae04aeb3
Markdown3e0b06e2272208b0ce0b858d1cf65d729f9cf1b3a9a2545ddfcaff76ee9d1d60
PDF
Publication page5b7006f8b0a5af4b1a85086e69234d9ec019ff92ec56e0871dabe87fcbc1cea5
Manifestb7d4cc185add9606988b32afee06965ac272c0ca38339d79c32d2ff4bceb91e5

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
SignatureHaKSudEiEwi9smg/NWp82Z4MkTU2SMQ+DNGnwC6ooKzDW1nirp4yGqzvW+yaHDpI5uIL2ii5e6TmUWBs3vabBA==
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

2026-09-17T11:01:06.303084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050136
observed 5b7006f8b0a5af4b1a85086e69234d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.285604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050136/manifest.json
observed b7d4cc185add9606988b32afee06965a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.267553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050136/publication.md
observed 3e0b06e2272208b0ce0b858d1cf65d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.250301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050136/publication.txt
observed 534409238c1e1f346a8d10ef91858b24...
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.