OpenTechnical

OT-2026-000042150

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000042150) never changes.

Identity and time

Publication numberOT-2026-000042150 · never reused
Internal UUID01a0ae7a-5d71-743d-943d-ee236d2703a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042150
StatusPUBLIC

Content hashes

Canonical texte6d92b54e9e84d52ac114cbb1216ec0528bfb284eee0e3b0541a8dd7bb6472b1
Markdown39124106a9111d9833442780b1cc8821477899345189522c5f20fdc56e6c9edf
PDF
Publication page0fee253df8d7b37bec1ce2ec48fa5229e89a994247106fcfec412c3c62221f5e
Manifestc346393ecd073e615c44a55f59d396cc613038feb34491b7c7997fd97ab3792f

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
SignaturesfBuJBcTG0PeoTpTtT5xmLveX9KW/RMJ727dANjUU6XcZo66QOfwrq/j6VUNZ5mxYWACy4izOd0fUPqT0u06Aw==
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

2026-09-17T11:15:42.246414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042150
observed 0fee253df8d7b37bec1ce2ec48fa5229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.226878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042150/manifest.json
observed c346393ecd073e615c44a55f59d396cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.207232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042150/publication.md
observed 39124106a9111d9833442780b1cc8821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.187511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042150/publication.txt
observed e6d92b54e9e84d52ac114cbb1216ec05...
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.