Pith Number

pith:OEO5MWTR

pith:2012:OEO5MWTR2OAGXNYGWDMRM4N5QF

not attested not anchored not stored refs pending

Chromospheric backradiation in ultraviolet continua and Halpha

H. Uitenbroek, R.J. Rutten

arxiv:1203.0396 v1 · 2012-03-02 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OEO5MWTR2OAGXNYGWDMRM4N5QF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:58:15.713501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711dd65a71d3806bb706b0d91671bd8152fdd0cffacf112e6af3dead2fb4550e

Aliases

arxiv: 1203.0396 · arxiv_version: 1203.0396v1 · doi: 10.48550/arxiv.1203.0396 · pith_short_12: OEO5MWTR2OAG · pith_short_16: OEO5MWTR2OAGXNYG · pith_short_8: OEO5MWTR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OEO5MWTR2OAGXNYGWDMRM4N5QF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 711dd65a71d3806bb706b0d91671bd8152fdd0cffacf112e6af3dead2fb4550e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3941f84ac65aa5c68c1a939305e9ddd6fab9da08c6ad2f9ad88cab97f5186902",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-02T09:11:18Z",
    "title_canon_sha256": "abe90e7b9ade37216b5a6e7f9e68540474158cb78111f29fca6a657fdae65eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0396",
    "kind": "arxiv",
    "version": 1
  }
}