Pith Number

pith:FQNAYXT5

pith:2004:FQNAYXT5MH7EGYPLRKQM2OEPYP

not attested not anchored not stored refs pending

Interstellar Carbon in Translucent Sightlines

D. M. Meyer, J. T. Lauroesch, S. I. B. Cartledge, U. J. Sofia

arxiv:astro-ph/0401510 v1 · 2004-01-23 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQNAYXT5MH7EGYPLRKQM2OEPYP}

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	2026-07-04T16:42:54.662171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1a0c5e7d61fe4361eb8aa0cd388fc3f719d2b1c9da9f7d961f8dba40a8aa69

Aliases

arxiv: astro-ph/0401510 · arxiv_version: astro-ph/0401510v1 · doi: 10.48550/arxiv.astro-ph/0401510 · pith_short_12: FQNAYXT5MH7E · pith_short_16: FQNAYXT5MH7EGYPL · pith_short_8: FQNAYXT5

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/FQNAYXT5MH7EGYPLRKQM2OEPYP \
  | 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: 2c1a0c5e7d61fe4361eb8aa0cd388fc3f719d2b1c9da9f7d961f8dba40a8aa69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac60c307e435ce17b48a6411f0aac2ab7b96417552021d775f560d4b801ce90",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-23T20:10:45Z",
    "title_canon_sha256": "6ca2c77a705f864a6e32d3eaf1cbd7f55fe23bf4ae89ca09854e95391d2ecad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401510",
    "kind": "arxiv",
    "version": 1
  }
}