Pith Number

pith:6PBV2E74

pith:2015:6PBV2E74SC7NHEI5JJV3CAYJW4

not attested not anchored not stored refs pending

Variability of the soft X-ray excess in IRAS 13224-3809

2), (2) NDU Louaize, (3) Univ. of Crete, 4), (4) IESL-FORTH, B. M. Sabra (2) ((1) SISSA, E. S. Kammoun (1, Greece, Greece), Heraklion, I. E. Papadakis (3, Italy, Lebanon, Trieste

arxiv:1508.02589 v3 · 2015-08-11 · 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{6PBV2E74SC7NHEI5JJV3CAYJW4}

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	2026-05-18T01:27:53.685683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c35d13fc90bed3911d4a6bb10309b726abd03f478f06843213bf7271b42df9

Aliases

arxiv: 1508.02589 · arxiv_version: 1508.02589v3 · doi: 10.48550/arxiv.1508.02589 · pith_short_12: 6PBV2E74SC7N · pith_short_16: 6PBV2E74SC7NHEI5 · pith_short_8: 6PBV2E74

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/6PBV2E74SC7NHEI5JJV3CAYJW4 \
  | 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: f3c35d13fc90bed3911d4a6bb10309b726abd03f478f06843213bf7271b42df9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135308388cccee50b1bcb3ba0475668c22ea6c043c2df99c8a0729e60df19c8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-08-11T13:39:06Z",
    "title_canon_sha256": "a75f498fc68ed67d21fd50ed1171e1b835f82dad76f001635dddbbdc4b530d8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02589",
    "kind": "arxiv",
    "version": 3
  }
}