Pith Number

pith:DQERJDVJ

pith:2011:DQERJDVJZIX2A63OYG53EX3FI5

not attested not anchored not stored refs pending

Quiescent X-ray variability from the neutron star transient Aql X-1

E. M. Cackett, J. Homan, J. K. Fridriksson, J. M. Miller, R. Wijnands

arxiv:1102.5016 v1 · 2011-02-24 · 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{DQERJDVJZIX2A63OYG53EX3FI5}

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	2026-05-18T02:03:05.415865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c09148ea9ca2fa07b6ec1bbb25f6547460d8b05a3f5621f090d967a4b2ee5cd

Aliases

arxiv: 1102.5016 · arxiv_version: 1102.5016v1 · doi: 10.48550/arxiv.1102.5016 · pith_short_12: DQERJDVJZIX2 · pith_short_16: DQERJDVJZIX2A63O · pith_short_8: DQERJDVJ

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/DQERJDVJZIX2A63OYG53EX3FI5 \
  | 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: 1c09148ea9ca2fa07b6ec1bbb25f6547460d8b05a3f5621f090d967a4b2ee5cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6d8e3b6f9d647c7504ad03013b5f3927ca8a1b5a42d6f5225cf8b2c675de572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-02-24T15:27:53Z",
    "title_canon_sha256": "7533a4193bc7692f9918d27d68a1035de8d4a5696744af50ab720310bf74ca6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5016",
    "kind": "arxiv",
    "version": 1
  }
}