Pith Number

pith:GLK5YS7K

pith:2012:GLK5YS7KPHMINIJNPIJPGQ3OVK

not attested not anchored not stored refs pending

Evolution of the Population of Very Strong MgII Absorbers

Anand Narayanan, Andrew Mshar, Antonino Cucchiara, Jane Charlton, Kaylan Wessels, Paola Rodr\'iguez Hidalgo, Therese Jones

arxiv:1208.1739 v1 · 2012-08-08 · 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{GLK5YS7KPHMINIJNPIJPGQ3OVK}

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	2026-05-18T01:55:17.469334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32d5dc4bea79d886a12d7a12f3436eaab303364b4014dd63b117a9d942662ee5

Aliases

arxiv: 1208.1739 · arxiv_version: 1208.1739v1 · doi: 10.48550/arxiv.1208.1739 · pith_short_12: GLK5YS7KPHMI · pith_short_16: GLK5YS7KPHMINIJN · pith_short_8: GLK5YS7K

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/GLK5YS7KPHMINIJNPIJPGQ3OVK \
  | 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: 32d5dc4bea79d886a12d7a12f3436eaab303364b4014dd63b117a9d942662ee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c0af261193c485c5cd348fe6d4f589571bd365e112fb325d8fb8381db48add",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-08T19:13:25Z",
    "title_canon_sha256": "16dcf50b1aa53529fde21c576b60a075b68f713eac030e8020926eb2401aba7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1739",
    "kind": "arxiv",
    "version": 1
  }
}