Pith Number

pith:PQAZ73W3

pith:2016:PQAZ73W3XRI4SDU2E3Y4QGJHSY

not attested not anchored not stored refs pending

Spectro-timing study of GX 339-4 in a hard intermediate state

1), (10) CRESST UMBC, 11), (11) NASA GSFC, (12) JPL, (13) Remeis-Observatory, (2) MIT, (3) SSL UC Berkeley, (4) INAF OAC, (5) DTU Space, 6), (6) LLNL, (7) U Southampton, (8) Columbia U, (9) IoA Cambridge, B. Grefenstette (1), C. J. Hailey (8), D. J. Walton (12, D. Stern (12), ECAP), F. A. Harrison (1), F. E. Christensen (5), F. Fuerst (1), J. A. Tomsick (3), J. Wilms (13), K. K. Madsen (1), K. Pottschmidt (10, M. Bachetti (4), M. Brightman (1), M. L. Parker (9), P. Gandhi (7), S. E. Boggs (3), V. Grinberg (2), W. W. Craig (3, W. W. Zhang (11) ((1) Caltech

arxiv:1604.08644 v2 · 2016-04-28 · 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{PQAZ73W3XRI4SDU2E3Y4QGJHSY}

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	2026-05-18T01:07:20.588855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c019feedbbc51c90e9a26f1c81927962f349ba8c00a9e21886edf1a812ed3c4

Aliases

arxiv: 1604.08644 · arxiv_version: 1604.08644v2 · doi: 10.48550/arxiv.1604.08644 · pith_short_12: PQAZ73W3XRI4 · pith_short_16: PQAZ73W3XRI4SDU2 · pith_short_8: PQAZ73W3

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/PQAZ73W3XRI4SDU2E3Y4QGJHSY \
  | 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: 7c019feedbbc51c90e9a26f1c81927962f349ba8c00a9e21886edf1a812ed3c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3578c8da572fce2fd19c1616c67c1525b554c99c069741cb7c0b6cb7f5b3ed37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-04-28T22:55:28Z",
    "title_canon_sha256": "0e0a8c673fd4db290f81710e9794a7e92cb09f53fca2b2801a1e62c60ce92eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08644",
    "kind": "arxiv",
    "version": 2
  }
}