Pith Number

pith:V4F35NMJ

pith:2019:V4F35NMJEULBIL6PUVP7NSS6OH

not attested not anchored not stored refs pending

Modelling the polarised emission from black holes on event horizon-scales

Christian M. Fromm, Hector Olivares, Oliver Porth, Yosuke Mizuno, Ziri Younsi

arxiv:1907.09196 v1 · 2019-07-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4F35NMJEULBIL6PUVP7NSS6OH}

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	2026-07-05T00:55:02.762655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af0bbeb5892516142fcfa55ff6ca5e71c2eca4be5c430d04d341c61dea3f4164

Aliases

arxiv: 1907.09196 · arxiv_version: 1907.09196v1 · doi: 10.48550/arxiv.1907.09196 · pith_short_12: V4F35NMJEULB · pith_short_16: V4F35NMJEULBIL6P · pith_short_8: V4F35NMJ

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/V4F35NMJEULBIL6PUVP7NSS6OH \
  | 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: af0bbeb5892516142fcfa55ff6ca5e71c2eca4be5c430d04d341c61dea3f4164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e5b8236bf6db1590f887c397cc660c7dc1589681925e109b28984b382bb73a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-22T09:22:35Z",
    "title_canon_sha256": "2fd1730b442c3cd9e071f5c7bf2631daaeb61690afddf544833e5f186b1b547b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09196",
    "kind": "arxiv",
    "version": 1
  }
}