OpenTechnical

OT-2026-000052217

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000052217) never changes.

Identity and time

Publication numberOT-2026-000052217 · never reused
Internal UUID01a0ae83-e790-7a64-b8aa-091430d423e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052217
StatusPUBLIC

Content hashes

Canonical text1b6a3b3e65b22b486de4d4a57b3cd6cae773ccfbd78d45ef294244bd09ccc011
Markdownd12298a8da8f52a44db87bd039b24c94627f0c81b5afbc53f0acaff4e4b18b7e
PDF
Publication pagee8c31d2bce7eea7bb3030a9f0fb36e5851c150e530d3607f2611f97bb47963fc
Manifestf40031ba467e5f373ccf906efa91846b9e129036b2dc2929c128584f8957cf33

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
SignatureQ9llBNWvG3yxZSgi6ZI9mCmDbLoDoI2HAb77H/zQKxS9Wc9L+55n1uKit/6AE6NunmowjOOysEkay+HIocPVDw==
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

2026-09-17T10:57:47.295857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052217
observed e8c31d2bce7eea7bb3030a9f0fb36e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.276089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052217/manifest.json
observed f40031ba467e5f373ccf906efa91846b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.256650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052217/publication.md
observed d12298a8da8f52a44db87bd039b24c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.239046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052217/publication.txt
observed 1b6a3b3e65b22b486de4d4a57b3cd6ca...
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.