OpenTechnical

OT-2026-000052208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052208) never changes.

Identity and time

Publication numberOT-2026-000052208 · never reused
Internal UUID01a0ae83-e790-7bff-9719-33093553db55 · 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-2026-000052208
StatusPUBLIC

Content hashes

Canonical text4190680aa0acbe82ce8c7716e23058192411e10390408eb12770a0ebc95b321f
Markdown7bcae9371e62925d739d022318f93fc54a4bb391f787349e42042bc45fdda7b6
PDF
Publication page46a8eeb36ae810b122ea3c0df9cbda84d4a9ae4136b110096d18da610b34b736
Manifest0b554fde2dc2f3fdc84f8f2b023941d053193264da09d05ba96b56013dbcc476

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
SignatureZJmstlu8xY4gexv0SIuksCo45s887WU3vOJSH7cXsMz1LuZbPgHl2iI63o3i3WRNRaPBYCYoCqWtFoH708N8AQ==
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

2026-09-17T10:57:46.620828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052208
observed 46a8eeb36ae810b122ea3c0df9cbda84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.600415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052208/manifest.json
observed 0b554fde2dc2f3fdc84f8f2b023941d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.580560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052208/publication.md
observed 7bcae9371e62925d739d022318f93fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.561739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052208/publication.txt
observed 4190680aa0acbe82ce8c7716e2305819...
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.