OpenTechnical

OT-2026-000049686

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049686) never changes.

Identity and time

Publication numberOT-2026-000049686 · never reused
Internal UUID01a0ae81-8fee-722d-9a36-2b8410aae0e1 · 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-2026-000049686
StatusPUBLIC

Content hashes

Canonical textcb2587bd2b2e6c75553e4ccd9f7582b0825bcddf217844b16265ae79a112b869
Markdown245d49ff2c460071617aa6574b1f2ab56f2cbf678e71df3eb011e595bd5d8cab
PDF
Publication page83777ff1b7601416d26dd6d28769c24533af124669d9bcf9d4d1af9794c12d98
Manifest422996519f811ccb8e86ccb00c1d7645f4a67d2f86814924636b7e1301bbf701

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
Signaturer+gafmjD3FHD29kmV95cYyv0Gigzr82b+demAa1RgyBB+kbG8xWZEKa99OUA9prxVfKAi8l5F8Dni4oyTPPyCA==
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

2026-09-17T11:02:41.756340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049686
observed 83777ff1b7601416d26dd6d28769c245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.739766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049686/manifest.json
observed 422996519f811ccb8e86ccb00c1d7645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.721206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049686/publication.md
observed 245d49ff2c460071617aa6574b1f2ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.701181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049686/publication.txt
observed cb2587bd2b2e6c75553e4ccd9f7582b0...
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.