OpenTechnical

OT-2026-000044438

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000044438) never changes.

Identity and time

Publication numberOT-2026-000044438 · never reused
Internal UUID01a0ae7c-39d7-7901-b5a6-5757372882e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044438
StatusPUBLIC

Content hashes

Canonical textdbffca6a2f5e2809aa36115823b619255ab2048c7844a7a81803dea781f02153
Markdownf2f6497fc34f5709dfeea4eb0251c024feb815a7c7bbd24b5144769e93c3dbfe
PDF
Publication page1114f1e5a3bac246034df5e238218136f154187b7f5e06a1b9700f4b8bb2cdc1
Manifest3508f4515d1ac861b765d02da774c3cf1cdb2ce4e943fb4d220c3cfee1ad4f4e

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
SignatureMWTYjzQKvhL0hzwVB2tdpy0/r49C+l0E9ocG1GVKo8Ua1tYSNVr+vMWZ2p022dvXYyRIbKJsqF/EnAyAWfvZBA==
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

2026-09-17T08:30:46.252473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044438
observed 1114f1e5a3bac246034df5e238218136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.231532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044438/manifest.json
observed 3508f4515d1ac861b765d02da774c3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.214296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044438/publication.md
observed f2f6497fc34f5709dfeea4eb0251c024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.070670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044438/publication.txt
observed dbffca6a2f5e2809aa36115823b61925...
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.