Pith Number

pith:TIWYXIVJ

pith:2011:TIWYXIVJQBWRU54LSYTLFROEJC

not attested not anchored not stored refs pending

The Planetary Nebulae Population in the Central Regions of M32: the SAURON view

Eric Emsellem, Gary Mamon, Marc Sarzi, Michele Cappellari, P. Tim de Zeeuw, Roger L. Davies, Roland Bacon

arxiv:1104.2240 v1 · 2011-04-12 · 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{TIWYXIVJQBWRU54LSYTLFROEJC}

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	2026-05-18T02:22:09.663499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a2d8ba2a9806d1a778b9626b2c5c4488e45710e7b32b9f40c48551227e408c9

Aliases

arxiv: 1104.2240 · arxiv_version: 1104.2240v1 · doi: 10.48550/arxiv.1104.2240 · pith_short_12: TIWYXIVJQBWR · pith_short_16: TIWYXIVJQBWRU54L · pith_short_8: TIWYXIVJ

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/TIWYXIVJQBWRU54LSYTLFROEJC \
  | 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: 9a2d8ba2a9806d1a778b9626b2c5c4488e45710e7b32b9f40c48551227e408c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e05659bee30c5410c8e0c905ac3e6d18c8efeee04e71aefb7dc1ea1a94a85ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-12T15:07:06Z",
    "title_canon_sha256": "c3cb82cb0b95fa8ebdec6057b30b6f896e7e8a6f6d302d2d63d39ca0ade27baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2240",
    "kind": "arxiv",
    "version": 1
  }
}