OpenTechnical

OT-2026-000052085

Publication integrity record

Four cup vacuum gripper, four 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-2026-000052085) never changes.

Identity and time

Publication numberOT-2026-000052085 · never reused
Internal UUID01a0ae83-e78f-7611-97ea-f9ea99218617 · 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-2026-000052085
StatusPUBLIC

Content hashes

Canonical text9224c369adcd5ef67e33a844069df53f40f9a6c64d3b9788ba888e801a8a23ef
Markdown18649f5ee0ce0e7602a01be89408e790c403ae3ff51df2f84074fc855b11beed
PDF
Publication pagefabd988a022d865b981551bc6178f4eef44ba98f97de4321e39bc821466b060d
Manifest2fed049983a10d69359cde43d9839a001843fe13603e9a4553a684670126f65f

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
SignatureQk1/n2iMe2eLj7Y+iHBeLCavC4ZP3Q7KluryGCrMAAnRfyMdIgHZtSrqRj5DDA4GRwpoX043enY8HA3iJKVTDQ==
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

2026-09-17T10:57:36.995354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052085
observed fabd988a022d865b981551bc6178f4ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:36.974648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052085/manifest.json
observed 2fed049983a10d69359cde43d9839a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:36.953218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052085/publication.md
observed 18649f5ee0ce0e7602a01be89408e790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:36.917634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052085/publication.txt
observed 9224c369adcd5ef67e33a844069df53f...
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.