Pith Number

pith:JLBTGXKQ

pith:2015:JLBTGXKQNPGJGGXFSMSQFMF3VB

not attested not anchored not stored refs pending

Imaging an Event Horizon: Mitigation of Source Variability of Sagittarius A*

2), (2) MPIfR, (3) Radboud University, (4) University of Illinois, 5), (5) CfA), Charles F. Gammie (4), Freek Roelofs (3), Heino Falcke (3), Hotaka Shiokawa (4), J. Anton Zensus (2) ((1) MIT Haystack Observatory, Ru-Sen Lu (1, Sheperd S. Doeleman (1, Thomas P. Krichbaum (2), Urbana-Champaign, Vincent L. Fish (1)

arxiv:1512.08543 v1 · 2015-12-28 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLBTGXKQNPGJGGXFSMSQFMF3VB}

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	2026-05-18T01:20:40.797043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ac3335d506bcc931ae5932502b0bba8647e4fee46c17056626dafb42d04b38f

Aliases

arxiv: 1512.08543 · arxiv_version: 1512.08543v1 · doi: 10.48550/arxiv.1512.08543 · pith_short_12: JLBTGXKQNPGJ · pith_short_16: JLBTGXKQNPGJGGXF · pith_short_8: JLBTGXKQ

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/JLBTGXKQNPGJGGXFSMSQFMF3VB \
  | 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: 4ac3335d506bcc931ae5932502b0bba8647e4fee46c17056626dafb42d04b38f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e1041d8386213e3077c5cd41d4b49954bf1b63318044b6adaad164215d1d305",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-28T22:16:35Z",
    "title_canon_sha256": "ca1752f3f636a022ccfba5ff149ffa69c1b4a6360b1cf8db46db4ba50a3be9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08543",
    "kind": "arxiv",
    "version": 1
  }
}