Pith Number

pith:M74IU3R7

pith:2003:M74IU3R7EEQEE4LJ654JADUGM6

not attested not anchored not stored refs pending

Interferometric Detection of Linear Polarization from Sagittarius A* at 230 GHz

Donald C. Backer (UCB), Geoffrey C. Bower (UCB), Heino Falcke (MPIfR), Melvyn C.H. Wright (UCB)

arxiv:astro-ph/0302227 v1 · 2003-02-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M74IU3R7EEQEE4LJ654JADUGM6}

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.

Cited by

1 paper in Pith

Identifying Observational Signatures of Flux Eruption Events in Supermassive Black Hole Accretion Flows with Machine Learning

Receipt and verification

First computed	2026-07-04T15:20:10.728201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67f88a6e3f2120427169f778900e8667835ccad7a528a5d9dbb7353328358a8d

Aliases

arxiv: astro-ph/0302227 · arxiv_version: astro-ph/0302227v1 · doi: 10.48550/arxiv.astro-ph/0302227 · pith_short_12: M74IU3R7EEQE · pith_short_16: M74IU3R7EEQEE4LJ · pith_short_8: M74IU3R7

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/M74IU3R7EEQEE4LJ654JADUGM6 \
  | 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: 67f88a6e3f2120427169f778900e8667835ccad7a528a5d9dbb7353328358a8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd6c50c9a1dfafbc173c78d704eb5882eb67cccc490ba78123b70d1865e50314",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-11T22:14:05Z",
    "title_canon_sha256": "1c8a3dc8f2391791557c94855cd9353910e14a08615b509128795aa251e6ddeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302227",
    "kind": "arxiv",
    "version": 1
  }
}