Pith Number

pith:D7PUFKQC

pith:2007:D7PUFKQCHB3GF6PCEJB2WI7LE7

not attested not anchored not stored refs pending

Spatially resolved X-ray spectra of NGC 4258

A. S. Wilson, B. Li, C. S. Reynolds, Y. Yang

arxiv:astro-ph/0701569 v1 · 2007-01-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7PUFKQCHB3GF6PCEJB2WI7LE7}

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	2026-05-18T04:29:07.065310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fdf42aa02387662f9e22243ab23eb27d0404d0b7e46df3c0cd05b828151e500

Aliases

arxiv: astro-ph/0701569 · arxiv_version: astro-ph/0701569v1 · doi: 10.48550/arxiv.astro-ph/0701569 · pith_short_12: D7PUFKQCHB3G · pith_short_16: D7PUFKQCHB3GF6PC · pith_short_8: D7PUFKQC

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/D7PUFKQCHB3GF6PCEJB2WI7LE7 \
  | 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: 1fdf42aa02387662f9e22243ab23eb27d0404d0b7e46df3c0cd05b828151e500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c97203d0adb3f8491c6c1cedb80d87cd92cea3081ae5f6ebcfb718fc958bc5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-19T19:36:23Z",
    "title_canon_sha256": "1681d20e0b2d066a7f13a861689922c95f14cb2d3e58eb943c3d7412e66fc883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701569",
    "kind": "arxiv",
    "version": 1
  }
}