Pith Number

pith:XHGMN5SX

pith:2026:XHGMN5SXS7V56NI2VFX6WB5IRZ

not attested not anchored not stored refs pending

Measuring Outflow Distances in NGC 5548 Using Absorption-Line Variability Diagnostics

Guilin Liu, Yaqi Chen, Zhicheng He

arxiv:2607.21038 v1 · 2026-07-23 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHGMN5SXS7V56NI2VFX6WB5IRZ}

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	2026-07-24T01:23:48.640106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9ccc6f65797ebdf351aa96feb07a88e5249f88345bbfb78b3729fcc8c8c8085

Aliases

arxiv: 2607.21038 · arxiv_version: 2607.21038v1 · doi: 10.48550/arxiv.2607.21038 · pith_short_12: XHGMN5SXS7V5 · pith_short_16: XHGMN5SXS7V56NI2 · pith_short_8: XHGMN5SX

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/XHGMN5SXS7V56NI2VFX6WB5IRZ \
  | 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: b9ccc6f65797ebdf351aa96feb07a88e5249f88345bbfb78b3729fcc8c8c8085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717ba97960b534aef8f503978c83d43751191c1364077ee28be3f962de1d0e54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-23T08:18:15Z",
    "title_canon_sha256": "4c04760c9b6ffdd48d9509ec3a2ee13bc7576dac5d860954def9001e27e6c31b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21038",
    "kind": "arxiv",
    "version": 1
  }
}