Pith Number

pith:GXCD3357

pith:2008:GXCD3357FEETXGCH5RESPIEXDA

not attested not anchored not stored refs pending

Orion's Bar: Physical Conditions across the Definitive H+ / H0 / H2 Interface

E. W. Pellegrini, Gargi Shaw, G. J. Ferland, J. A. Baldwin, S. Heathcote

arxiv:0811.1176 v2 · 2008-11-07 · 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{GXCD3357FEETXGCH5RESPIEXDA}

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	2026-05-18T04:29:25.329158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c43defbf29093b9847ec4927a09718246b619e702fbe1267e7cdee343a80eb

Aliases

arxiv: 0811.1176 · arxiv_version: 0811.1176v2 · doi: 10.48550/arxiv.0811.1176 · pith_short_12: GXCD3357FEET · pith_short_16: GXCD3357FEETXGCH · pith_short_8: GXCD3357

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/GXCD3357FEETXGCH5RESPIEXDA \
  | 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: 35c43defbf29093b9847ec4927a09718246b619e702fbe1267e7cdee343a80eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5697e34a080ecce2849e24e081bb126ae1f9362f627f5a2e3f27bf733ce2210",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-07T16:46:17Z",
    "title_canon_sha256": "68e42b433592caf5f10b7a25cb619537445b994b8467cae1305556ae15bb189d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1176",
    "kind": "arxiv",
    "version": 2
  }
}