Pith Number

pith:Z5JDCECY

pith:2015:Z5JDCECY5XJXFJDKEAZRRWTVGQ

not attested not anchored not stored refs pending

An early detection of blue luminescence by neutral PAHs in the direction of the yellow hypergiant HR 5171A?

A. Lobel (3) (Leiden Observatory, A.M. van Genderen (1), Brussels (3)), H. Nieuwenhuijzen (2), Leiden University, Netherlands (1), Netherlands (2), Royal Observatory of Belgium, SRON Laboratory for Space Research, Utrecht

arxiv:1509.07421 v1 · 2015-09-24 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5JDCECY5XJXFJDKEAZRRWTVGQ}

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	2026-05-18T01:27:57.046860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf52311058edd372a46a203318da75343d66d3f8097cf3617f0b053b8d6f9c1f

Aliases

arxiv: 1509.07421 · arxiv_version: 1509.07421v1 · doi: 10.48550/arxiv.1509.07421 · pith_short_12: Z5JDCECY5XJX · pith_short_16: Z5JDCECY5XJXFJDK · pith_short_8: Z5JDCECY

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/Z5JDCECY5XJXFJDKEAZRRWTVGQ \
  | 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: cf52311058edd372a46a203318da75343d66d3f8097cf3617f0b053b8d6f9c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cbad4a8226af3e45b3a9937f3ee30de0e35fc05aeeccd7fc96ca3d0ee3e08a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-24T16:10:21Z",
    "title_canon_sha256": "2e7dc3b4103ccda05b9216dad33f9fbf0539e97c0875827e3ec939895e9b313b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07421",
    "kind": "arxiv",
    "version": 1
  }
}