Pith Number

pith:TC2P65QJ

pith:2012:TC2P65QJCRLEWYTRY44K2XTO2D

not attested not anchored not stored refs pending

Free-free Emission and Radio Recombination Lines from Photoevaporating Disks

D. Hollenbach, I. Pascucci, U. Gorti

arxiv:1205.1079 v1 · 2012-05-04 · astro-ph.EP · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TC2P65QJCRLEWYTRY44K2XTO2D}

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	2026-05-18T01:57:37.804411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98b4ff760914564b6271c738ad5e6ed0cc2e5648c7d6e7ce3aba8cd7847d5a4b

Aliases

arxiv: 1205.1079 · arxiv_version: 1205.1079v1 · doi: 10.48550/arxiv.1205.1079 · pith_short_12: TC2P65QJCRLE · pith_short_16: TC2P65QJCRLEWYTR · pith_short_8: TC2P65QJ

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/TC2P65QJCRLEWYTRY44K2XTO2D \
  | 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: 98b4ff760914564b6271c738ad5e6ed0cc2e5648c7d6e7ce3aba8cd7847d5a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7469c5c02a97698d0d936968ce2850eff691344e32fbc7496dacfd6f760309db",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-05-04T22:43:03Z",
    "title_canon_sha256": "6686a953ebf004e00212d6456e50be1cf0667fcde6d5beba358f90825eb3a600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1079",
    "kind": "arxiv",
    "version": 1
  }
}