Pith Number

pith:PMLN4PJX

pith:2011:PMLN4PJXSHZ75OB74B5B5LE7DC

not attested not anchored not stored refs pending

Constraints on the Universal CIV Mass Density at z~6 from Early IR Spectra Obtained with the Magellan FIRE Spectrograph

Adam J. Burgasser, Craig McMurtry, Elizabeth Lovegrove, John Bochanski, John O'Meara, Judith L. Pipher, Kathy L. Cooksey, Michael E. Matejek, Rebecca A. Bernstein, Robert A. Simcoe, William J. Forrest, Xiaohui Fan

arxiv:1104.4117 v1 · 2011-04-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMLN4PJXSHZ75OB74B5B5LE7DC}

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

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	2026-05-18T02:02:17.215421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b16de3d3791f3feb83fe07a1eac9f18aafb641e33e370365b4d9f90e2c185f4

Aliases

arxiv: 1104.4117 · arxiv_version: 1104.4117v1 · doi: 10.48550/arxiv.1104.4117 · pith_short_12: PMLN4PJXSHZ7 · pith_short_16: PMLN4PJXSHZ75OB7 · pith_short_8: PMLN4PJX

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/PMLN4PJXSHZ75OB74B5B5LE7DC \
  | 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: 7b16de3d3791f3feb83fe07a1eac9f18aafb641e33e370365b4d9f90e2c185f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fba6e07ce76380f3a7999da0c6baa786fb78a01c00ba864dc5cb15fc7363626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-20T20:00:05Z",
    "title_canon_sha256": "1338e3a3a10fb38f7e0de78241c032bf14c51d0101275d1c01d4f2c48d9aedc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4117",
    "kind": "arxiv",
    "version": 1
  }
}