Pith Number

pith:XOV6X7VC

pith:2001:XOV6X7VCX5AHXJFCLBTU3L2HAE

not attested not anchored not stored refs pending

Formation Pumping of Molecular Hydrogen in the Messier 17 Photodissociation Region

D. Londish, M.G. Burton, P.W.J.L. Brand

arxiv:astro-ph/0112174 v1 · 2001-12-07 · 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{XOV6X7VCX5AHXJFCLBTU3L2HAE}

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	2026-07-04T16:24:43.713116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbabebfea2bf407ba4a258674daf47012f96c4e0967ad8be9fee21e98270b786

Aliases

arxiv: astro-ph/0112174 · arxiv_version: astro-ph/0112174v1 · doi: 10.48550/arxiv.astro-ph/0112174 · pith_short_12: XOV6X7VCX5AH · pith_short_16: XOV6X7VCX5AHXJFC · pith_short_8: XOV6X7VC

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/XOV6X7VCX5AHXJFCLBTU3L2HAE \
  | 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: bbabebfea2bf407ba4a258674daf47012f96c4e0967ad8be9fee21e98270b786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c8382271341a2bb3a4b470023b8eed4b47baf74960f727f146c0c47ad1bdfc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-07T11:41:51Z",
    "title_canon_sha256": "a95a91e8c7e390c08fe727b0c2ff091863b6996e42711150629f223cf210f9c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112174",
    "kind": "arxiv",
    "version": 1
  }
}