OpenTechnical

OT-2026-000050426

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050426) never changes.

Identity and time

Publication numberOT-2026-000050426 · never reused
Internal UUID01a0ae82-5c48-7530-b7b9-f93324b7ccd4 · 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-2026-000050426
StatusPUBLIC

Content hashes

Canonical texteeba5f59b4d82b1d1a0223f661a7e47765a85b0149b17046a883d179f8ab436f
Markdownaf6040a6c679223a2c923dccdb677d3569d10dd3d61ea2641c5173a52ebe2ce6
PDF
Publication page7bdcce45b835dd8a0c4cd228d7a2827f73157160dd5fe10d6176ff695e52bd7d
Manifestbd4fc2571cff6006aca2815e0aa00e088aef5cf909efff9cdde71b0ce9aa0f3a

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
SignatureRPwnIrrvC7o1ENzcWWTLU5fl3vQ0coEdQSBpIHTlzVNcVDrhik/joSendGvnkKLdaIDwwXdp/W7RlvhVz/KSDA==
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

2026-09-17T08:44:30.497255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050426
observed 7bdcce45b835dd8a0c4cd228d7a2827f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:30.077437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050426/manifest.json
observed bd4fc2571cff6006aca2815e0aa00e08...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:29.758160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050426/publication.md
observed af6040a6c679223a2c923dccdb677d35...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:29.504607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050426/publication.txt
observed eeba5f59b4d82b1d1a0223f661a7e477...
fetched by grabo-systems from 34.44.131.203, 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.