Pith Number

pith:5ZDMDSZP

pith:1995:5ZDMDSZPFJIRTHDQE34PU6S43D

not attested not anchored not stored refs pending

Non-Equilibrium Photodissociation Regions: Ionization-Dissociation Fronts

B. T. Draine, Frank Bertoldi

arxiv:astro-ph/9508067 v1 · 1995-08-16 · 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{5ZDMDSZPFJIRTHDQE34PU6S43D}

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	2026-07-04T15:58:05.450151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee46c1cb2f2a51199c7026f8fa7a5cd8d0edd3cb9624094ee8cf6856e387e1b5

Aliases

arxiv: astro-ph/9508067 · arxiv_version: astro-ph/9508067v1 · doi: 10.48550/arxiv.astro-ph/9508067 · pith_short_12: 5ZDMDSZPFJIR · pith_short_16: 5ZDMDSZPFJIRTHDQ · pith_short_8: 5ZDMDSZP

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/5ZDMDSZPFJIRTHDQE34PU6S43D \
  | 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: ee46c1cb2f2a51199c7026f8fa7a5cd8d0edd3cb9624094ee8cf6856e387e1b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01471104f7e1f154163be5c6fd1c4c1323103ff5d78fb2df2c2b055a22b35dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-08-16T19:02:16Z",
    "title_canon_sha256": "258675e74d4723486d34e39246f9aada8d4afeb5fea83703f8f9252d4def9fa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9508067",
    "kind": "arxiv",
    "version": 1
  }
}