OpenTechnical

OT-2026-000046490

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line 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-2026-000046490) never changes.

Identity and time

Publication numberOT-2026-000046490 · never reused
Internal UUID01a0ae7e-57dd-7251-a4ac-7fc75afbb571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046490
StatusPUBLIC

Content hashes

Canonical text5fa4d962999214453c6256ebef5e7a829eb6ae36651c21af48b909b1cb926aa8
Markdown0e29361738cd9eae5acd0024889a513905536e279f7efc667d3cbadc60f71477
PDF
Publication page367bc098cafed453380f4e4868445d611d0ef7a05157150137a17ace5c5e982c
Manifest268233307b4e15426f3232fbe2fd921c546a8e30f672a5a6da93d4d23bacfdf0

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
SignatureL+HiByQNhSlIK8DpHWuHjJXUN8ab5DyQSa94RZGTHieb6p6UuFFKVjDbaNR/9F5syrmuHA8pnZIjjDOIuE61DA==
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

2026-09-17T11:08:31.644677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046490
observed 367bc098cafed453380f4e4868445d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.625026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046490/manifest.json
observed 268233307b4e15426f3232fbe2fd921c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.605266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046490/publication.md
observed 0e29361738cd9eae5acd0024889a5139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.586051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046490/publication.txt
observed 5fa4d962999214453c6256ebef5e7a82...
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.