Pith Number

pith:SFLMVA6T

pith:2012:SFLMVA6TMNHMWUPKQPJDNM63TP

not attested not anchored not stored refs pending

The chemical properties of low-redshift QSOs

Jaejin Shin, Jong-Hak Woo, Sang Chul Kim, Tohru Nagao

arxiv:1211.6749 v1 · 2012-11-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFLMVA6TMNHMWUPKQPJDNM63TP}

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	2026-05-18T01:52:53.588552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9156ca83d3634ecb51ea83d236b3db9bf2afc263729a404e032eb351117442e7

Aliases

arxiv: 1211.6749 · arxiv_version: 1211.6749v1 · doi: 10.48550/arxiv.1211.6749 · pith_short_12: SFLMVA6TMNHM · pith_short_16: SFLMVA6TMNHMWUPK · pith_short_8: SFLMVA6T

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/SFLMVA6TMNHMWUPKQPJDNM63TP \
  | 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: 9156ca83d3634ecb51ea83d236b3db9bf2afc263729a404e032eb351117442e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a7ee95533d1e0cb7404ef067f3d748972eb5c53e356e9efa1bb5f69ec7bdbc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-28T21:00:25Z",
    "title_canon_sha256": "a0fe2dfa437c39f54c5ff0467e50027db64433dc44e3d03a1fb273fd14adf8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6749",
    "kind": "arxiv",
    "version": 1
  }
}