Pith Number

pith:I2CQN2I5

pith:2021:I2CQN2I5SVQRGBFCWYHXGLKJYC

not attested not anchored not stored refs pending

Light curve fingerprints: an automated approach to the extraction of X-ray variability patterns with feature aggregation -- an example application to GRS 1915+105

Adam B. Hill, Antony J. Bird, Daniela Huppenkothen, Diego Altamirano, Jakub K. Orwat-Kapola

arxiv:2110.10063 v1 · 2021-10-19 · astro-ph.IM · 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{I2CQN2I5SVQRGBFCWYHXGLKJYC}

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	2026-07-05T03:28:28.350256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468506e91d95611304a2b60f732d49c0ab4e2efda1e1ce0bc8762f25a1630c10

Aliases

arxiv: 2110.10063 · arxiv_version: 2110.10063v1 · doi: 10.48550/arxiv.2110.10063 · pith_short_12: I2CQN2I5SVQR · pith_short_16: I2CQN2I5SVQRGBFC · pith_short_8: I2CQN2I5

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/I2CQN2I5SVQRGBFCWYHXGLKJYC \
  | 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: 468506e91d95611304a2b60f732d49c0ab4e2efda1e1ce0bc8762f25a1630c10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b5d6db9225463183761a8eeacfa011404fba2c4d41ec70a31abb1d507001e5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-10-19T15:43:28Z",
    "title_canon_sha256": "8f21f257fc68118751e0030720ad0f727b1619e615ea817cfc9bdfd710d9e5ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10063",
    "kind": "arxiv",
    "version": 1
  }
}