Pith Number

pith:CTAEVWIB

pith:2011:CTAEVWIBWWD4OXFMXTQP3PSQCI

not attested not anchored not stored refs pending

Polarimetric Imaging of Sgr A* in its Flaring State

Andrea Goldwurm, Fulvio Melia, Maurizio Falanga

arxiv:1109.6736 v1 · 2011-09-30 · astro-ph.GA · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTAEVWIBWWD4OXFMXTQP3PSQCI}

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	2026-05-18T00:05:01.070113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14c04ad901b587c75cacbce0fdbe50121c773c340d712ded4d2917a8b6f5eb8d

Aliases

arxiv: 1109.6736 · arxiv_version: 1109.6736v1 · doi: 10.48550/arxiv.1109.6736 · pith_short_12: CTAEVWIBWWD4 · pith_short_16: CTAEVWIBWWD4OXFM · pith_short_8: CTAEVWIB

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/CTAEVWIBWWD4OXFMXTQP3PSQCI \
  | 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: 14c04ad901b587c75cacbce0fdbe50121c773c340d712ded4d2917a8b6f5eb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "315e8e6e4882560a236776d17d838f28832b97c30508044d012b476116a815b1",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-30T07:46:37Z",
    "title_canon_sha256": "6e80d4f80df393e6856a14366cc6b797a68da13df9af8e807e0e1a38461c6483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6736",
    "kind": "arxiv",
    "version": 1
  }
}