Pith Number

pith:Y7AHV4NU

pith:2012:Y7AHV4NUB3CZLOXIIDTDRQBMMO

not attested not anchored not stored refs pending

Pre-main-sequence population in NGC 1893 region

A. K. Pandey, C. Eswaraiah, D. K. Ojha, J. C. Pandey, M. R. Samal, N. Chauhan, W. P. Chen

arxiv:1207.5632 v1 · 2012-07-24 · 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{Y7AHV4NUB3CZLOXIIDTDRQBMMO}

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	2026-05-18T01:56:08.541661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c07af1b40ec595bae840e638c02c638694de640b805c39220ee5402e6a1299

Aliases

arxiv: 1207.5632 · arxiv_version: 1207.5632v1 · doi: 10.48550/arxiv.1207.5632 · pith_short_12: Y7AHV4NUB3CZ · pith_short_16: Y7AHV4NUB3CZLOXI · pith_short_8: Y7AHV4NU

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/Y7AHV4NUB3CZLOXIIDTDRQBMMO \
  | 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: c7c07af1b40ec595bae840e638c02c638694de640b805c39220ee5402e6a1299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d171d08ff63270c058f6d3c4f9642b8b6ad67e680650874c4f4170b7792ead8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-24T09:28:00Z",
    "title_canon_sha256": "43866fa3266283c811334796d8119572d1f65ff58f56874bdf691f436b1f5c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5632",
    "kind": "arxiv",
    "version": 1
  }
}