OpenTechnical

OT-2026-000050346

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000050346) never changes.

Identity and time

Publication numberOT-2026-000050346 · never reused
Internal UUID01a0ae82-5c47-7080-9b12-5c861617e6dd · 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-2026-000050346
StatusPUBLIC

Content hashes

Canonical text93d941069f10db30c9a4561865ca5614ac53f57deed2c6ea98b22846403f792f
Markdown838ef9541a7eb7e73d2bf09497603a87fc0e28de05671703d06d0814bf6b5fa3
PDF
Publication pagec8ca39d8d648e25f1bf50bbc4287e14efd1b55a7980c6abc0cb63fe8956d250b
Manifestcb859050f3624d615a4f66711f77d5902e31f828820aa0f372460810615ce19b

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
Signature5JUceQ3W1j4fc+Tyn9PGDlX49DJkElus/kA6qW0QVJTHBymTbBQYqJ9U7EYDCrm85lm6cLOiSsLfOaL7+hczAQ==
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

2026-09-17T11:01:22.500289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050346
observed c8ca39d8d648e25f1bf50bbc4287e14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.484584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050346/manifest.json
observed cb859050f3624d615a4f66711f77d590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.467370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050346/publication.md
observed 838ef9541a7eb7e73d2bf09497603a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.444654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050346/publication.txt
observed 93d941069f10db30c9a4561865ca5614...
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.