Pith Number

pith:EGISPDLK

pith:2009:EGISPDLKC2DSWHLWS44XBKM7EH

not attested not anchored not stored refs pending

Polycyclic aromatic hydrocarbon processing in interstellar shocks

2), (2) Institut d'Astrophysique Spatiale, 3) ((1) Sterrewacht Leiden, (3) NASA Ames Research Center, A. G. G. M. Tielens (1, A. P. Jones (2), CNRS, E. R. Micelotta (1, France, Leiden University, Moffett Field, Orsay, The Netherlands, Universit\'e Paris Sud, USA)

arxiv:0910.2461 v2 · 2009-10-13 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGISPDLKC2DSWHLWS44XBKM7EH}

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	2026-05-18T02:24:46.830061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2191278d6a16872b1d76973970a99f21f0cf4b272928ea4d4b841c2d3758baaf

Aliases

arxiv: 0910.2461 · arxiv_version: 0910.2461v2 · doi: 10.48550/arxiv.0910.2461 · pith_short_12: EGISPDLKC2DS · pith_short_16: EGISPDLKC2DSWHLW · pith_short_8: EGISPDLK

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/EGISPDLKC2DSWHLWS44XBKM7EH \
  | 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: 2191278d6a16872b1d76973970a99f21f0cf4b272928ea4d4b841c2d3758baaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc2d96da461260d8b2e224f37285220182c86a9c30c3c3f1363ad9fb9bce3a8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-13T21:46:57Z",
    "title_canon_sha256": "eeee26ffe8f36ec9d7e00aa30f63beaf2bb3912cbc369c4cb4c7c693b9ee302c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2461",
    "kind": "arxiv",
    "version": 2
  }
}