Pith Number

pith:HA7YHWKA

pith:2015:HA7YHWKAYNUZNJVSHGRFFHNHEA

not attested not anchored not stored refs pending

Insights into the properties of the Local (Orion) spiral arm. NGC 2302: First results and description of the program

A. Moitinho, E. Costa, E. Servajean, G. Carraro, M. Radiszc, R. Munoz, R. Vazquez

arxiv:1505.01872 v1 · 2015-05-07 · 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{HA7YHWKAYNUZNJVSHGRFFHNHEA}

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	2026-05-18T01:35:47.978116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383f83d940c36996a6b239a2529da7202ef7f893cb000b3bb6e687409f4945a3

Aliases

arxiv: 1505.01872 · arxiv_version: 1505.01872v1 · doi: 10.48550/arxiv.1505.01872 · pith_short_12: HA7YHWKAYNUZ · pith_short_16: HA7YHWKAYNUZNJVS · pith_short_8: HA7YHWKA

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/HA7YHWKAYNUZNJVSHGRFFHNHEA \
  | 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: 383f83d940c36996a6b239a2529da7202ef7f893cb000b3bb6e687409f4945a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a6754a1929fa6150c9a80a738af044d9504a2c9e74365f5ac9bec2b6ba58bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-07T21:17:08Z",
    "title_canon_sha256": "0fc4f61e69f3ca13d888b85c549b6e938a41480a4d0471de80b8c48e74fdfe6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01872",
    "kind": "arxiv",
    "version": 1
  }
}