OpenTechnical

OT-2026-000042516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000042516) never changes.

Identity and time

Publication numberOT-2026-000042516 · never reused
Internal UUID01a0ae7a-c0cd-7975-8c73-3433ecb5812f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042516
StatusPUBLIC

Content hashes

Canonical text0854fa8bb9a0779e5facb8bb3605f5bc37f44d39ded237a657c3c9ea204b563b
Markdown9d3164b023a77acd8b18a31853a4f5e782e373fb3db083aa7b70a9d07295ed97
PDF
Publication page04db168e45aa05960c2e882caec19b3b38eff6be7f128beace7b047eefbb5a4e
Manifest1a6c0dcda7a7b73bd26648c2ae8167142d697f3f787c88984cbed923f0faa9c2

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
SignatureF3asy1u3Y2l60ZMziAg5Ve0drL52+EXGFlO+tvZRzx4JSHRRzj+4Xfl4Pq6IrO41jiEVtTHwpjlwimpmT49ADQ==
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

2026-09-17T11:14:05.908599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042516
observed 04db168e45aa05960c2e882caec19b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:05.887216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042516/manifest.json
observed 1a6c0dcda7a7b73bd26648c2ae816714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:05.866790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042516/publication.md
observed 9d3164b023a77acd8b18a31853a4f5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:05.846955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042516/publication.txt
observed 0854fa8bb9a0779e5facb8bb3605f5bc...
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.