Pith Number

pith:Q6CFWRES

pith:2015:Q6CFWRES4NAGZLATPUGN6XB77N

not attested not anchored not stored refs pending

Calcium H & K and sodium D absorption induced by the interstellar and circumgalactic media of the Milky Way

Brice M\'enard, Guangtun Zhu, Maria Murga (Khramtsova), Ting-Wen Lan

arxiv:1503.02697 v2 · 2015-03-09 · 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{Q6CFWRES4NAGZLATPUGN6XB77N}

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	2026-05-18T01:36:54.265950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87845b4492e3406cac137d0cdf5c3ffb4a130a1d9d548ee709d00eeede72d306

Aliases

arxiv: 1503.02697 · arxiv_version: 1503.02697v2 · doi: 10.48550/arxiv.1503.02697 · pith_short_12: Q6CFWRES4NAG · pith_short_16: Q6CFWRES4NAGZLAT · pith_short_8: Q6CFWRES

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/Q6CFWRES4NAGZLATPUGN6XB77N \
  | 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: 87845b4492e3406cac137d0cdf5c3ffb4a130a1d9d548ee709d00eeede72d306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6336caeeef153ea45fe789427fb57782eb0561207456ba862b9269f61d3d209e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-09T21:03:16Z",
    "title_canon_sha256": "54e981b5646a58737b033a04a5d16cd1d2353ec1554e2c5402548756ab22bfb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02697",
    "kind": "arxiv",
    "version": 2
  }
}