OpenTechnical

OT-2026-000052413

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented before 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-2026-000052413) never changes.

Identity and time

Publication numberOT-2026-000052413 · never reused
Internal UUID01a0ae84-5739-7d6e-8578-abe5638fff8b · 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-2026-000052413
StatusPUBLIC

Content hashes

Canonical text5b4b37f2a2bf93e073deca68b7d3555e0e9c0a4635c3c90a8ccb37939f511664
Markdown79e813515ad1ac725571ec267bf0f0ba5b73f9bc8eec9df549298ccca13434ec
PDF
Publication pagea7f6de8b9d1746b6df52777dd1cba530281386819ae620a06e8675a91bd074c8
Manifest0e34fd744472247526a41b996ac395964bab0fcee115dc96aab5124e0df31ed3

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
Signature8unP7zw6szhydSoYvTdvqGSCK4EjEpl3nL1aaN0f1poUR4YfFaXXXUInGU/rHUWIKmV98PUcI/WtYXXYkUxDAQ==
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

2026-09-17T10:57:01.534201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052413
observed a7f6de8b9d1746b6df52777dd1cba530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.517728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052413/manifest.json
observed 0e34fd744472247526a41b996ac39596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.477025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052413/publication.md
observed 79e813515ad1ac725571ec267bf0f0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.389341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052413/publication.txt
observed 5b4b37f2a2bf93e073deca68b7d3555e...
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.