Pith Number

pith:AN2E6ZP7

pith:2017:AN2E6ZP7M7L7PM7ERBDFW5FVNZ

not attested not anchored not stored refs pending

Optical excess of dim isolated neutron stars

M. Ali Alpar, Sirin Caliskan, Unal Ertan

arxiv:1705.09547 v1 · 2017-05-26 · 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{AN2E6ZP7M7L7PM7ERBDFW5FVNZ}

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	2026-05-18T00:40:57.539911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03744f65ff67d7f7b3e488465b74b56e59bbe44cba728fcc68c76decef7f50bf

Aliases

arxiv: 1705.09547 · arxiv_version: 1705.09547v1 · doi: 10.48550/arxiv.1705.09547 · pith_short_12: AN2E6ZP7M7L7 · pith_short_16: AN2E6ZP7M7L7PM7E · pith_short_8: AN2E6ZP7

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/AN2E6ZP7M7L7PM7ERBDFW5FVNZ \
  | 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: 03744f65ff67d7f7b3e488465b74b56e59bbe44cba728fcc68c76decef7f50bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27d0da3d7044cd295c40f234576d110f1fb586e210ebf33485323903fc4274f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-26T12:03:15Z",
    "title_canon_sha256": "ecb58b7d875bd64e4cc745b3096d74a7056539dff3d504b5d5719af9dd287809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09547",
    "kind": "arxiv",
    "version": 1
  }
}