OpenTechnical

OT-2026-000055143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000055143) never changes.

Identity and time

Publication numberOT-2026-000055143 · never reused
Internal UUID01a0ae86-5e82-7dec-939a-01e9ced57a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055143
StatusPUBLIC

Content hashes

Canonical text39afe704fbfcf9c765693eed2c9c7f8ae6d456b67327bc7395e54c848b3fc122
Markdown96fec6b83fcf13c40d51eee730914501369b36ca0481bda1f4849de264b1e1f1
PDF
Publication page8119926e40cc55d7cfdecfb2a63d513d5401d25a8162c1ccc4b73978e514da3f
Manifest02397f199ce05d070f30f0457cb2a3e8a3fb2c0cef2c72f8a2fdfdc0d78ad6b3

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
SignatureCVXn+d9R6sxGZOLIvlO3/Ld/99BrVh/Kpxm4/Y/v+qpy1fzEfjT3fwKLcowbbrMcJgTlZU36ts87xwHOoGdxBg==
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

2026-09-17T10:53:19.236593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055143
observed 8119926e40cc55d7cfdecfb2a63d513d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.217718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055143/manifest.json
observed 02397f199ce05d070f30f0457cb2a3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.198225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055143/publication.md
observed 96fec6b83fcf13c40d51eee730914501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.179770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055143/publication.txt
observed 39afe704fbfcf9c765693eed2c9c7f8a...
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.