Pith Number

pith:OAKG54R2

pith:2023:OAKG54R2E2OZTFMDGHHFK3CHFD

not attested not anchored not stored refs pending

The internal Faraday screen of Sagittarius A*

Christiaan D. Brinkerink, Ciriaco Goddi, Ed Fomalont, Ivan Marti-Vidal, Maciek Wielgus, Monika Moscibrodzka, Razieh Emami, Sara Issaoun

arxiv:2308.11712 v1 · 2023-08-22 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAKG54R2E2OZTFMDGHHFK3CHFD}

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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

Polarization Signatures from GRMHD Simulations of Black Hole Accretion

Receipt and verification

First computed	2026-07-05T08:47:07.122914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70146ef23a269d99958331ce556c4728f736b10bc6d5712d505c7be647aef7df

Aliases

arxiv: 2308.11712 · arxiv_version: 2308.11712v1 · doi: 10.48550/arxiv.2308.11712 · pith_short_12: OAKG54R2E2OZ · pith_short_16: OAKG54R2E2OZTFMD · pith_short_8: OAKG54R2

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/OAKG54R2E2OZTFMDGHHFK3CHFD \
  | 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: 70146ef23a269d99958331ce556c4728f736b10bc6d5712d505c7be647aef7df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8ed9b60b7a7ad5cede0ed21abdb20e805519c97e3e17fbc3e4278dcf48c1b3a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-08-22T18:01:00Z",
    "title_canon_sha256": "ad1c237ac1d948bee43e16be8fe9bb7ef32351c673a3710183b45bfa2380dc3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11712",
    "kind": "arxiv",
    "version": 1
  }
}