OpenTechnical

OT-2026-000052108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052108) never changes.

Identity and time

Publication numberOT-2026-000052108 · never reused
Internal UUID01a0ae83-e78f-7741-a78c-1afb8b2ca14f · 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-2026-000052108
StatusPUBLIC

Content hashes

Canonical text5894ba9764d3b17e263dd5a61bd875296bf50a6a88b3d964004cfa8c148d14fa
Markdownfe2b1709353791eccfb230d27dcace9799070cfa0e3a39b99c7507f04c441ff6
PDF
Publication paged9af6e75336c2fc0f36be222a426f6483d6d280491b4310c7d76fb4e08e9baf4
Manifest2ab703992db6ca389642ada0164741580dbe8a761485fd80f55529f0873e7e2e

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
SignatureTnkwniBX8ElqI3p7oxixHCUPp9MLJd6OUiAzTl76zypKWIr8HUrlll5IzdR2PLShb3wX8G1MJU+3z2PvtBz2Bg==
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

2026-09-17T10:57:38.969993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052108
observed d9af6e75336c2fc0f36be222a426f648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:38.952271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052108/manifest.json
observed 2ab703992db6ca389642ada016474158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:38.932893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052108/publication.md
observed fe2b1709353791eccfb230d27dcace97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:38.914088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052108/publication.txt
observed 5894ba9764d3b17e263dd5a61bd87529...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent