Pith Number

pith:5JUZ36K5

pith:2014:5JUZ36K53TZFSQPPLUYPWFYYF6

not attested not anchored not stored refs pending

A formal method for identifying distinct states of variability in time-varying sources: SgrA* as an example

A. M. Ghez, F. A. Longstaff, G. Witzel, L. Meyer

arxiv:1403.5289 v1 · 2014-03-20 · 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{5JUZ36K53TZFSQPPLUYPWFYYF6}

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	2026-05-18T01:43:52.843045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea699df95ddcf25941ef5d30fb17182f8afc43ade4187cb4db75ef24366d04bf

Aliases

arxiv: 1403.5289 · arxiv_version: 1403.5289v1 · doi: 10.48550/arxiv.1403.5289 · pith_short_12: 5JUZ36K53TZF · pith_short_16: 5JUZ36K53TZFSQPP · pith_short_8: 5JUZ36K5

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/5JUZ36K53TZFSQPPLUYPWFYYF6 \
  | 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: ea699df95ddcf25941ef5d30fb17182f8afc43ade4187cb4db75ef24366d04bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9272e33f8da86aa430e717a7ca2d27ae6c9728279223a57e830d85f86d30757",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-03-20T20:38:08Z",
    "title_canon_sha256": "b744382cbdb9646b869601d4e40eecda0c6b08b88b17e672b164302ffa3df8a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5289",
    "kind": "arxiv",
    "version": 1
  }
}