OpenTechnical

OT-2026-000051957

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000051957) never changes.

Identity and time

Publication numberOT-2026-000051957 · never reused
Internal UUID01a0ae83-e78d-7512-aafa-749a4b1ab058 · 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-2026-000051957
StatusPUBLIC

Content hashes

Canonical text51888120311dd85afdac7a3b4454fa423bb58f826fa35ad0329de82c45dd129d
Markdown6cf5364e94f5cf025b5c23693e49a740644a8dc5ef2a2a1063a4f6704f467bf5
PDF
Publication pagecd46f66641e159fe4739117be00f1345445ff3030a5891efaba87114e29729e9
Manifest48228d404061b7a6650193147abdb45549e44f14052d6aa9a68ec901dbded8a1

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
SignatureZP953A3fs3m3hnIxVYbJ1HCJVuL/MhRxCgIt2G8Ymzd1tHQChxFbL7goXuX1zQWYeQ2ok288ElZG4Sglg+xeBw==
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

2026-09-17T10:57:27.105591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051957
observed cd46f66641e159fe4739117be00f1345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.087610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051957/manifest.json
observed 48228d404061b7a6650193147abdb455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.010572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051957/publication.md
observed 6cf5364e94f5cf025b5c23693e49a740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:26.991706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051957/publication.txt
observed 51888120311dd85afdac7a3b4454fa42...
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.