Pith Number

pith:VO3IPJFH

pith:2015:VO3IPJFHYNQR7U4CEM4BDRUM5D

not attested not anchored not stored refs pending

Going with the flow: using gas clouds to probe the accretion flow feeding Sgr A*

Ann-Marie Madigan, Michael McCourt

arxiv:1503.04801 v1 · 2015-03-16 · 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{VO3IPJFHYNQR7U4CEM4BDRUM5D}

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	2026-05-18T02:22:21.479700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abb687a4a7c3611fd382233811c68ce8ea1d8162e5d1d6619a1e58f0ba94d294

Aliases

arxiv: 1503.04801 · arxiv_version: 1503.04801v1 · doi: 10.48550/arxiv.1503.04801 · pith_short_12: VO3IPJFHYNQR · pith_short_16: VO3IPJFHYNQR7U4C · pith_short_8: VO3IPJFH

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/VO3IPJFHYNQR7U4CEM4BDRUM5D \
  | 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: abb687a4a7c3611fd382233811c68ce8ea1d8162e5d1d6619a1e58f0ba94d294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "366a28872eed2af577c907fc5e2476173690452e043e5b6fa5407bee2f80f95c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-16T20:00:10Z",
    "title_canon_sha256": "0b6df11f4482c029651a793121647e54c710602323a1e8a8bb5b04be8b7336aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04801",
    "kind": "arxiv",
    "version": 1
  }
}