Pith Number

pith:FDDVGMYY

pith:2011:FDDVGMYYTRE4UQFVYDOYZLTJ45

not attested not anchored not stored refs pending

A deep spectroscopic study of the filamentary nebulosity in NGC4696, the brightest cluster galaxy in the Centaurus cluster

A.C. Fabian, C.S. Crawford, G.J. Ferland, J.S. Sanders, N.A. Hatch, R.E.A. Canning, R.M. Johnstone

arxiv:1107.4011 v1 · 2011-07-20 · 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{FDDVGMYYTRE4UQFVYDOYZLTJ45}

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	2026-05-18T02:01:14.197344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c75333189c49ca40b5c0dd8cae69e777c79c6cc07fe4dcc43bc6e0fddbe07e

Aliases

arxiv: 1107.4011 · arxiv_version: 1107.4011v1 · doi: 10.48550/arxiv.1107.4011 · pith_short_12: FDDVGMYYTRE4 · pith_short_16: FDDVGMYYTRE4UQFV · pith_short_8: FDDVGMYY

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/FDDVGMYYTRE4UQFVYDOYZLTJ45 \
  | 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: 28c75333189c49ca40b5c0dd8cae69e777c79c6cc07fe4dcc43bc6e0fddbe07e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37808965a3573da339e7b8356e6c173ffb2e550c5f12a94b3dc97213db43f0a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-20T15:55:28Z",
    "title_canon_sha256": "687dc5801a607279412f155594606f78582efae223c40d3c3e4c0492b4f501de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4011",
    "kind": "arxiv",
    "version": 1
  }
}