OpenTechnical

OT-2026-000048253

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000048253) never changes.

Identity and time

Publication numberOT-2026-000048253 · never reused
Internal UUID01a0ae80-4de3-7ae3-8458-c238aabddd11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048253
StatusPUBLIC

Content hashes

Canonical text53e482afaa14765aed6b2391a52ef97a97fb5be696ca2031efe49afdc501e5b6
Markdown1e961ccc4de26c2ff77979e357666749856b8b0103b6d51138ff584ffc00ca9f
PDF
Publication pagea7d8f2593825782dfaf302c613c355b041a7de9318dfed3a6a5fe3a696bfe2d3
Manifest9c463b6dcaf9c737a03f3510dc064eba8cfa7dd036b5d4b89179d8648c01dd4c

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
SignatureAjAE8g+vebSGI4NawWQ9e8wSdLzE/a8qirUWICsUESAD+FLFlvP1Fe8DFT4Kn3nh0CjGRDF8Ezjki+tHpLM8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:49.224721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048253
observed a7d8f2593825782dfaf302c613c355b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.204893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048253/manifest.json
observed 9c463b6dcaf9c737a03f3510dc064eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.186013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048253/publication.md
observed 1e961ccc4de26c2ff77979e357666749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.166872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048253/publication.txt
observed 53e482afaa14765aed6b2391a52ef97a...
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.