Pith Number

pith:FJODG6B3

pith:2007:FJODG6B3ZMGTOZXHBKZBMRFOCC

not attested not anchored not stored refs pending

The Abundance of Deuterium in the Warm Neutral Medium of the Lower Galactic Halo

Andrew Fox, Bart Wakker, Blair Savage, Kenneth Sembach, Nicolas Lehner

arxiv:astro-ph/0701110 v1 · 2007-01-04 · 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{FJODG6B3ZMGTOZXHBKZBMRFOCC}

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	2026-07-04T17:07:23.989706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a5c33783bcb0d3766e70ab21644ae10b8612b3b9df0e623c7080cc976c618e0

Aliases

arxiv: astro-ph/0701110 · arxiv_version: astro-ph/0701110v1 · doi: 10.48550/arxiv.astro-ph/0701110 · pith_short_12: FJODG6B3ZMGT · pith_short_16: FJODG6B3ZMGTOZXH · pith_short_8: FJODG6B3

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/FJODG6B3ZMGTOZXHBKZBMRFOCC \
  | 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: 2a5c33783bcb0d3766e70ab21644ae10b8612b3b9df0e623c7080cc976c618e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de0648a9aa047c45c22f0403737522c9376362ea187d2bb7fa7960538d1b5ed",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-04T20:55:12Z",
    "title_canon_sha256": "5fde4c5d06088aef02ec6b90bfcc95aeb310d158b1405ea08211ecc3fcb43db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701110",
    "kind": "arxiv",
    "version": 1
  }
}