Pith Number

pith:4OYPKMTM

pith:2011:4OYPKMTMHF6AMLOX47GFFDSXOR

not attested not anchored not stored refs pending

Time Variability in Simulated Ultracompact and Hypercompact HII Regions

1), 2, (2) CRyA-UNAM, 3), (3) ASIAA, (4) ITA-Heidelberg, (5) AMNH, Eric Keto (1), Germany, Mexico, Mordecai-Mark Mac Low (5), Ralf S. Klessen (4) ((1) CfA, Roberto Galv\'an-Madrid (1, Robi Banerjee (4), Taiwan, Thomas Peters (4, USA, USA)

arxiv:1105.1348 v2 · 2011-05-06 · astro-ph.GA · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OYPKMTMHF6AMLOX47GFFDSXOR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:02:03.087382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b0f5326c397c062dd7e7cc528e57747c040e901cc3b3e07a8896d7959900ca

Aliases

arxiv: 1105.1348 · arxiv_version: 1105.1348v2 · doi: 10.48550/arxiv.1105.1348 · pith_short_12: 4OYPKMTMHF6A · pith_short_16: 4OYPKMTMHF6AMLOX · pith_short_8: 4OYPKMTM

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/4OYPKMTMHF6AMLOX47GFFDSXOR \
  | 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: e3b0f5326c397c062dd7e7cc528e57747c040e901cc3b3e07a8896d7959900ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f05b88b1a66b3733788c7d533503e4dcd6260fcd4ad2535b00b5e351c034296",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-06T18:22:09Z",
    "title_canon_sha256": "2f9f6426d6cecf5ddef06005205ba5261659801042e3fb89edabed74a6b3b541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1348",
    "kind": "arxiv",
    "version": 2
  }
}