Pith Number

pith:U5ZQLJWP

pith:2018:U5ZQLJWPPDTHR6KOJAVPLKRGGY

not attested not anchored not stored refs pending

Evidence for the photoionization absorption edge in a photospheric radius expansion X-ray burst from GRS 1747$-$312 in Terzan 6

Joonas N\"attil\"a, Juri Poutanen, Maurizio Falanga, Renxin Xu, Tuomo Salmi, Valery F. Suleimanov, Zhaosheng Li

arxiv:1809.00098 v2 · 2018-09-01 · 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{U5ZQLJWPPDTHR6KOJAVPLKRGGY}

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	2026-05-18T00:03:31.676856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77305a6cf78e678f94e482af5aa2636213b018edaadfa902c22cafb6721f69b

Aliases

arxiv: 1809.00098 · arxiv_version: 1809.00098v2 · doi: 10.48550/arxiv.1809.00098 · pith_short_12: U5ZQLJWPPDTH · pith_short_16: U5ZQLJWPPDTHR6KO · pith_short_8: U5ZQLJWP

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/U5ZQLJWPPDTHR6KOJAVPLKRGGY \
  | 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: a77305a6cf78e678f94e482af5aa2636213b018edaadfa902c22cafb6721f69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a89c14453c6474631f10f2c2a67cdaf3db032f02b595e47ba6871ef51cfc8b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-01T02:00:55Z",
    "title_canon_sha256": "dcb36150b56d80fbea277db6ccb4e2c29870c91f52144783e0c02be4993fee13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00098",
    "kind": "arxiv",
    "version": 2
  }
}