Pith Number

pith:JT5EA5VM

pith:2005:JT5EA5VMTOP6KBNQBVB7EYPJGK

not attested not anchored not stored refs pending

Imaging Optically-Thin Hot Spots Near the Black Hole Horizon of Sgr A* at Radio and Near-Infrared Wavelengths

2) ((1) Institute for Theory, (2) Harvard University), Abraham Loeb (1, Avery E. Broderick (1), Computation

arxiv:astro-ph/0509237 v2 · 2005-09-09 · 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{JT5EA5VMTOP6KBNQBVB7EYPJGK}

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

4 papers in Pith

Polarization Signatures of Inspiraling Hotspots around Kerr Black Holes

Testing the nature of dark compact objects: a status report

Testing solitonic boson star interpretations of Sagittarius A* with near-infrared flare astrometry

Relative Magnification Factor of Point Sources on Accretion Disks

Receipt and verification

First computed	2026-07-04T17:15:07.987533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cfa4076ac9b9fe505b00d43f261e9328946f024674f1728ae2675266f7bf102

Aliases

arxiv: astro-ph/0509237 · arxiv_version: astro-ph/0509237v2 · doi: 10.48550/arxiv.astro-ph/0509237 · pith_short_12: JT5EA5VMTOP6 · pith_short_16: JT5EA5VMTOP6KBNQ · pith_short_8: JT5EA5VM

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/JT5EA5VMTOP6KBNQBVB7EYPJGK \
  | 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: 4cfa4076ac9b9fe505b00d43f261e9328946f024674f1728ae2675266f7bf102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "115dc2533ca875c31c297b2152f407f440baf3a68b13e022933d32f2635a9c87",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-09T01:39:28Z",
    "title_canon_sha256": "f348bab9300294653c2b4c3eb109eb97ecbaf943319804931348f3784e89b17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509237",
    "kind": "arxiv",
    "version": 2
  }
}