Pith Number

pith:AJ6E7DCQ

pith:2014:AJ6E7DCQLSRWNVGVPP72SRKPHC

not attested not anchored not stored refs pending

Spectral State Transitions of the Ultraluminous X-ray Source IC 342 X-1

Cornelia Lang, David Cseh, Fabien Grise, Hannah Marlowe, Hua Feng, Neal Miller, Philip Kaaret, Richard F. Mushotzky, Stephane Corbel

arxiv:1407.6254 v1 · 2014-07-23 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJ6E7DCQLSRWNVGVPP72SRKPHC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:42:32.674675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

027c4f8c505ca366d4d57bffa9454f389dd3ec8e654a0b1f737ca6fcc1cf7d3f

Aliases

arxiv: 1407.6254 · arxiv_version: 1407.6254v1 · doi: 10.48550/arxiv.1407.6254 · pith_short_12: AJ6E7DCQLSRW · pith_short_16: AJ6E7DCQLSRWNVGV · pith_short_8: AJ6E7DCQ

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/AJ6E7DCQLSRWNVGVPP72SRKPHC \
  | 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: 027c4f8c505ca366d4d57bffa9454f389dd3ec8e654a0b1f737ca6fcc1cf7d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd4a2fd084b61327d7816d8513c4f7ce877d3cb8bdd054d4e72519c8593c4829",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-07-23T15:11:13Z",
    "title_canon_sha256": "003810e69a6c38f0bcdde5aa490fbdfea333aa0071612898add8bd328e762ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6254",
    "kind": "arxiv",
    "version": 1
  }
}