Pith Number

pith:SOJRXLGL

pith:2012:SOJRXLGL74EXZQGDNMEWRSN2LQ

not attested not anchored not stored refs pending

Using a New Sky Brightness Monitor to Observe the Annular Solar Eclipse on 15 January 2010

N.-P. Liu, X.-F. Zhang, Y.-D. Shen, Y. Liu

arxiv:1204.4289 v2 · 2012-04-19 · 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{SOJRXLGL74EXZQGDNMEWRSN2LQ}

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	2026-05-18T01:57:48.894835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93931baccbff097cc0c36b0968c9ba5c0c73b246beb0be3e89515b757f954a06

Aliases

arxiv: 1204.4289 · arxiv_version: 1204.4289v2 · doi: 10.48550/arxiv.1204.4289 · pith_short_12: SOJRXLGL74EX · pith_short_16: SOJRXLGL74EXZQGD · pith_short_8: SOJRXLGL

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/SOJRXLGL74EXZQGDNMEWRSN2LQ \
  | 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: 93931baccbff097cc0c36b0968c9ba5c0c73b246beb0be3e89515b757f954a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f46bc8c3e182c470bd18597fd6e1374a63e29a9363fad27b73e30914529cd44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-19T09:08:01Z",
    "title_canon_sha256": "61181bb92ae1ee659bd2267254acfe71f4e0bd84f9a92ebcf194faedf6780809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4289",
    "kind": "arxiv",
    "version": 2
  }
}