Pith Number

pith:RTGTIYVH

pith:2015:RTGTIYVHS2RHAQSYMPVKZEOZEK

not attested not anchored not stored refs pending

Tracing the Galactic spiral structure with embedded clusters

Charles Bonatto, Denilso Camargo, Eduardo Bica

arxiv:1505.01829 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{RTGTIYVHS2RHAQSYMPVKZEOZEK}

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	2026-05-18T01:55:52.390150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ccd3462a796a270425863eaac91d922b5731f126bf6a6283336c4b202a1762b

Aliases

arxiv: 1505.01829 · arxiv_version: 1505.01829v1 · doi: 10.48550/arxiv.1505.01829 · pith_short_12: RTGTIYVHS2RH · pith_short_16: RTGTIYVHS2RHAQSY · pith_short_8: RTGTIYVH

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/RTGTIYVHS2RHAQSYMPVKZEOZEK \
  | 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: 8ccd3462a796a270425863eaac91d922b5731f126bf6a6283336c4b202a1762b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e593d1e41e1667d436d8a692906f01882c74c71f135c7ec6fb0221e76390d81f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-07T19:47:56Z",
    "title_canon_sha256": "86f275b3d2741fda6eba4dfdeaa6ad2e16ecb3793be033d0c9b3ba47fb36f40a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01829",
    "kind": "arxiv",
    "version": 1
  }
}