Pith Number

pith:P7J5N3XU

pith:2015:P7J5N3XUCPXJGKQMOVM66W7EQG

not attested not anchored not stored refs pending

Limits on pair production and multi-zone comptonization: The broadband X/gamma-ray spectrum of XTE J1550-564 revisited

C. Done, L. Hjalmarsdotter, M. Axelsson

arxiv:1502.07135 v1 · 2015-02-25 · 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{P7J5N3XUCPXJGKQMOVM66W7EQG}

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	2026-05-18T02:26:11.761480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd3d6eef413ee932a0c7559ef5be4818e3968b947d64fa55c2011ff9aa15bd3

Aliases

arxiv: 1502.07135 · arxiv_version: 1502.07135v1 · doi: 10.48550/arxiv.1502.07135 · pith_short_12: P7J5N3XUCPXJ · pith_short_16: P7J5N3XUCPXJGKQM · pith_short_8: P7J5N3XU

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/P7J5N3XUCPXJGKQMOVM66W7EQG \
  | 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: 7fd3d6eef413ee932a0c7559ef5be4818e3968b947d64fa55c2011ff9aa15bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d2538b68436f08c2a38d4934f04cdf9b8618b89b21015afde08a27861340ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-25T11:44:22Z",
    "title_canon_sha256": "080ba96f8e4524c07b5c52408ce8b857b9a2f1366488b52083d4887f489bc029"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07135",
    "kind": "arxiv",
    "version": 1
  }
}