Pith Number

pith:IKYQV3XB

pith:2014:IKYQV3XBBQYTJPRZCTEZBYFZAG

not attested not anchored not stored refs pending

Optical and infrared emission of H II complexes as a clue to the PAH life cycle

D. S. Wiebe, M. S. Khramtsova, O. V. Egorov, T. A. Lozinskaya

arxiv:1407.8307 v2 · 2014-07-31 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKYQV3XBBQYTJPRZCTEZBYFZAG}

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	2026-05-18T01:42:26.922938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b10aeee10c3134be3914c990e0b901bd9115dd66023bcd15248f04f55fc50f

Aliases

arxiv: 1407.8307 · arxiv_version: 1407.8307v2 · doi: 10.48550/arxiv.1407.8307 · pith_short_12: IKYQV3XBBQYT · pith_short_16: IKYQV3XBBQYTJPRZ · pith_short_8: IKYQV3XB

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/IKYQV3XBBQYTJPRZCTEZBYFZAG \
  | 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: 42b10aeee10c3134be3914c990e0b901bd9115dd66023bcd15248f04f55fc50f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36f8099d55c952a72451f3d812b5363451f8c9e4978145f425d52dd93b4e5a94",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-31T08:27:05Z",
    "title_canon_sha256": "19b35e3b993952611f9fd8a410321d7cf26d43abc53433cf1bd43075b42532b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8307",
    "kind": "arxiv",
    "version": 2
  }
}