Pith Number

pith:DN7GWPQF

pith:2017:DN7GWPQFVCSCMKMFD2XNLGIK4G

not attested not anchored not stored refs pending

Simultaneous constraints on the mass and radius of Aql X-1 from quiescence and X-ray burst observations

JinLu Qu, Li Chen, Maurizio Falanga, Renxin Xu, Zhaosheng Li

arxiv:1706.09931 v1 · 2017-06-29 · 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{DN7GWPQFVCSCMKMFD2XNLGIK4G}

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	2026-05-18T00:38:01.941065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b7e6b3e05a8a42629851eaed5990ae1a110c96100da85a978d2e7a2f8acf7a7

Aliases

arxiv: 1706.09931 · arxiv_version: 1706.09931v1 · doi: 10.48550/arxiv.1706.09931 · pith_short_12: DN7GWPQFVCSC · pith_short_16: DN7GWPQFVCSCMKMF · pith_short_8: DN7GWPQF

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/DN7GWPQFVCSCMKMFD2XNLGIK4G \
  | 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: 1b7e6b3e05a8a42629851eaed5990ae1a110c96100da85a978d2e7a2f8acf7a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cad2bd963db9fbd798160f1adba53f3c0b86b609cfe54664ec9aeb36c576a18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-29T19:15:26Z",
    "title_canon_sha256": "f5a9fed0afbfd4d2b7a435385a874a70305d314159dc0e4243f4306f58182081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09931",
    "kind": "arxiv",
    "version": 1
  }
}