OpenTechnical

OT-2026-000044670

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000044670) never changes.

Identity and time

Publication numberOT-2026-000044670 · never reused
Internal UUID01a0ae7c-39da-7f52-b418-dbc18283ae9c · 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-2026-000044670
StatusPUBLIC

Content hashes

Canonical text190182c6630ddf2e05b6d8b10fed1941a76b6e83bc9bb97234b3aea4ef7c7142
Markdown85a4fded52319cefc07aa6f789486afa77d6279d75e88582593df3391f8d997d
PDF
Publication page30d73b4da1ddc53eca030b38991ef0f890c41f406f587e3aa94abcd0bbf9332a
Manifestb99e3b093777ce22dc1f8524482c02d170d99dfb4071eda617b3a89901e4c72f

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
Signature9zHfusbthN4Zw3VAfLUIPqDmqRVACT/J3wlCgELym76ztM+yAq1Uc7MjBgFsgVXlcslKMBaekfNdZxhtueczCg==
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

2026-09-17T11:11:55.261786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044670
observed 30d73b4da1ddc53eca030b38991ef0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.243378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044670/manifest.json
observed b99e3b093777ce22dc1f8524482c02d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.224251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044670/publication.md
observed 85a4fded52319cefc07aa6f789486afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.206185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044670/publication.txt
observed 190182c6630ddf2e05b6d8b10fed1941...
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.