OpenTechnical

OT-2026-000044294

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000044294) never changes.

Identity and time

Publication numberOT-2026-000044294 · never reused
Internal UUID01a0ae7c-39d6-7dc5-9cad-f2919cdfa017 · 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-2026-000044294
StatusPUBLIC

Content hashes

Canonical texta5f743a388d5a214388dc6a29b5f88187412a8f45db04f117f4239ef1df989ca
Markdown1daba9f0ea96d39e7059cd21282f0b906623e163c8e81a5bbabf6a2dce1a152e
PDF
Publication page9a06363582edcfd908a9efe3f4b69920635594f0a609801e991af84f2ac81b04
Manifest188cf0838e3a5b5f4eaf215e653fca86218ce10d1c8e6442818e5427dd183d3e

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
Signaturek/QEMcNaq/RJ2trkwUZA2tti7bekcms3nyXe+hU29YYqoS+mhXd/q2YVR/q+I2IppiuJRP+G/XCtDN4fHUNeBQ==
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

2026-09-17T08:30:14.547659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044294
observed 9a06363582edcfd908a9efe3f4b69920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.527934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044294/manifest.json
observed 188cf0838e3a5b5f4eaf215e653fca86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.509017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044294/publication.md
observed 1daba9f0ea96d39e7059cd21282f0b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.487819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044294/publication.txt
observed a5f743a388d5a214388dc6a29b5f8818...
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.