OpenTechnical

OT-2026-000052478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000052478) never changes.

Identity and time

Publication numberOT-2026-000052478 · never reused
Internal UUID01a0ae84-573a-76b1-9b48-6264b497efdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052478
StatusPUBLIC

Content hashes

Canonical textea22efdd979d7f898e096661dc1d589bb1d5d5371560abe8a39458d797c9f93e
Markdown30c1616070484622c860c5a51b560547f1c8e56e9017e5462c35385eae8f29a5
PDF
Publication page6cc40b769e249f6a6dbe9b758ffedefe228043b0b05960a948ac48da542e65e6
Manifest1c652eadf15078e1e57917093e25c5219f2f6a8baedceaa7465b86fbfb0d3d5a

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
SignatureKLUKpRI7NX0F5kjao+dbVE6EAZ/GgahUu2477RY2l5BDaStqYcyD/v7HVdVw4UE6iNLEOm02wL+/6R0GHfVkAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:06.562925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052478
observed 6cc40b769e249f6a6dbe9b758ffedefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.545712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052478/manifest.json
observed 1c652eadf15078e1e57917093e25c521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.528219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052478/publication.md
observed 30c1616070484622c860c5a51b560547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.510356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052478/publication.txt
observed ea22efdd979d7f898e096661dc1d589b...
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.