Pith Number

pith:VU7UEIFV

pith:2012:VU7UEIFVCS2XJD47P4XL45PU7X

not attested not anchored not stored refs pending

The Spectral Evolution along the Z track of the Bright Neutron Star X-ray Binary GX 17+2

(2) MIT Kavli Institute for Astrophysics, Dacheng Lin (1), Didier Barret (1) ((1) IRAP, France, Jeroen Homan (2), Ronald A. Remillard (2), Space Research)

arxiv:1207.1107 v1 · 2012-07-04 · 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{VU7UEIFVCS2XJD47P4XL45PU7X}

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	2026-05-18T01:56:34.677526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad3f4220b514b5748f9f7f2ebe75f4fdc74912040dbdaa83e317d5b85e5f74e1

Aliases

arxiv: 1207.1107 · arxiv_version: 1207.1107v1 · doi: 10.48550/arxiv.1207.1107 · pith_short_12: VU7UEIFVCS2X · pith_short_16: VU7UEIFVCS2XJD47 · pith_short_8: VU7UEIFV

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/VU7UEIFVCS2XJD47P4XL45PU7X \
  | 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: ad3f4220b514b5748f9f7f2ebe75f4fdc74912040dbdaa83e317d5b85e5f74e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "762d0b1df8da43ddd85c3ebd0f920a1e847cb7e9fd88c2550e26124076e34f25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-04T20:01:14Z",
    "title_canon_sha256": "8097ff746fa11f939275cc9239d12b532a9d43dbc8de4fbbdb8e4dc818929f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1107",
    "kind": "arxiv",
    "version": 1
  }
}