Pith Number

pith:FHG7AZ3M

pith:1997:FHG7AZ3MWZFMXFXP7V7LVQFVNH

not attested not anchored not stored refs pending

Molecular Hydrogen Line Emission from the Reflection Nebula Parsamyan 18

2), (2) University of New South Wales, Australia), Hawaii, J. W. V. Storey (2) ((1) Joint Astronomy Centre, L. E. Allen (2), M. C. B. Ashley (2), M. G. Burton (2), S. D. Ryder (1

arxiv:astro-ph/9709237 v1 · 1997-09-24 · 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{FHG7AZ3MWZFMXFXP7V7LVQFVNH}

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	2026-07-05T01:54:10.911584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29cdf0676cb64acb96effd7ebac0b569e86c7a04d8cb101dbdc1042835339e10

Aliases

arxiv: astro-ph/9709237 · arxiv_version: astro-ph/9709237v1 · doi: 10.48550/arxiv.astro-ph/9709237 · pith_short_12: FHG7AZ3MWZFM · pith_short_16: FHG7AZ3MWZFMXFXP · pith_short_8: FHG7AZ3M

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/FHG7AZ3MWZFMXFXP7V7LVQFVNH \
  | 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: 29cdf0676cb64acb96effd7ebac0b569e86c7a04d8cb101dbdc1042835339e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6982be112a4a042eea454305c1faaf745e1c2c5c3eec884761ce533ca8957b40",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-24T21:30:02Z",
    "title_canon_sha256": "9ec2cfde9e8849854af062a4f467b71690c230ee4d910be5d27cedb2cb8ecdeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709237",
    "kind": "arxiv",
    "version": 1
  }
}