Pith Number

pith:Y25SIQRD

pith:2018:Y25SIQRD4M2UI4VMSLLZOQ7CP7

not attested not anchored not stored refs pending

Circumnuclear star-formation and AGN activity: Clues from surface brightness radial profile of PAHs and [SIV]

Almudena Alonso-Herrero, Cristina Ramos Almeida, Deborah Dultzin, Donaji Esparza-Arredondo, Ismael Garcia-Bernete, Jose Miguel Rodriguez-Espinosa, Mariela Martinez-Paredes, Omaira Gonzalez-Martin, Tanio Diaz-Santos

arxiv:1804.07311 v1 · 2018-04-19 · 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{Y25SIQRD4M2UI4VMSLLZOQ7CP7}

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	2026-05-18T00:13:26.121036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6bb244223e3354472ac92d79743e27fc6f572e4112e0d7f6375afe990609f1b

Aliases

arxiv: 1804.07311 · arxiv_version: 1804.07311v1 · doi: 10.48550/arxiv.1804.07311 · pith_short_12: Y25SIQRD4M2U · pith_short_16: Y25SIQRD4M2UI4VM · pith_short_8: Y25SIQRD

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/Y25SIQRD4M2UI4VMSLLZOQ7CP7 \
  | 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: c6bb244223e3354472ac92d79743e27fc6f572e4112e0d7f6375afe990609f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db85dcb96091767ad98c2e5bfd2d1891c492faf8c84c36c8d00e348a0bc0b3f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-19T18:00:09Z",
    "title_canon_sha256": "caee94876a0a867b17566973bb0a045707c7832c1026e826f8e5985fffe47497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07311",
    "kind": "arxiv",
    "version": 1
  }
}