Pith Number

pith:ISZKIRMN

pith:2013:ISZKIRMNJUDDK42MPW72HBKDJA

not attested not anchored not stored refs pending

Halo Masses of MgII absorbers at z\sim 0.5 from SDSS DR7

Eduardo N. Seyffert (MIT), Hsiao-Wen Chen (KICP/UChicago), Jean-Rene Gauthier (Caltech), John M. O'Meara (St. Michael's College), Kathy L. Cooksey (MIT), Robert A. Simcoe (MIT)

arxiv:1312.4593 v1 · 2013-12-16 · 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{ISZKIRMNJUDDK42MPW72HBKDJA}

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	2026-05-18T00:45:16.694521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44b2a4458d4d0635734c7dbfa3854348159d51fed2c90bfa6be703aab5c3d0c7

Aliases

arxiv: 1312.4593 · arxiv_version: 1312.4593v1 · doi: 10.48550/arxiv.1312.4593 · pith_short_12: ISZKIRMNJUDD · pith_short_16: ISZKIRMNJUDDK42M · pith_short_8: ISZKIRMN

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/ISZKIRMNJUDDK42MPW72HBKDJA \
  | 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: 44b2a4458d4d0635734c7dbfa3854348159d51fed2c90bfa6be703aab5c3d0c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e937c802b1cf00be4c61033b59f353dc0ce57df5be752406e9dbc77d42fdd0da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-16T23:36:47Z",
    "title_canon_sha256": "769fbf40b3cf9f76a9cce70fbe6b2ede6ced05fc2b1261330fbd9d695359767c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4593",
    "kind": "arxiv",
    "version": 1
  }
}