Pith Number

pith:PBPGL2ZZ

pith:2024:PBPGL2ZZMUOEYVCZ3TAUXK2GET

not attested not anchored not stored refs pending

Photon ring polarimetry with next-generation black hole imaging I. M87*

Aditya Tamar, Daniel C.M. Palumbo

arxiv:2410.15325 v1 · 2024-10-20 · 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{PBPGL2ZZMUOEYVCZ3TAUXK2GET}

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

Supermassive Black Hole Spin Constraints from Polarimetry in an Equatorial Disk Model

Receipt and verification

First computed	2026-07-05T11:35:30.345775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

785e65eb39651c4c5459dcc14bab4624fb4d839672b859146b62e80bacbce0ac

Aliases

arxiv: 2410.15325 · arxiv_version: 2410.15325v1 · doi: 10.48550/arxiv.2410.15325 · pith_short_12: PBPGL2ZZMUOE · pith_short_16: PBPGL2ZZMUOEYVCZ · pith_short_8: PBPGL2ZZ

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/PBPGL2ZZMUOEYVCZ3TAUXK2GET \
  | 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: 785e65eb39651c4c5459dcc14bab4624fb4d839672b859146b62e80bacbce0ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0659a6689690d98bab3bb7904200884e8814474345aa6213fd1d2224df16838c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-10-20T07:50:37Z",
    "title_canon_sha256": "ecb4b138f55160c81421c26848933560dd6c7020d55d70da40921aff8f31a448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.15325",
    "kind": "arxiv",
    "version": 1
  }
}