Pith Number

pith:K4SEO5U3

pith:2015:K4SEO5U3KIS7S2CRXY73KWO6E3

not attested not anchored not stored refs pending

The VISTA Orion mini-survey: star formation in the Lynds 1630 North cloud

2), (2) EUMETSAT-Darmstadt, (3) INAF - Capodimonte, (4) Niels Bohr Institute - Copenhagen, (5) University of Milan, 6), (6) CfA - Harvard, (7) Institute for Astronomy - University of Vienna), J. F. Alves (7) ((1) ESO-Garching, J. K. J{\o}rgensen (4), J. M. Alcal\'a (3), L. Spezzi (1, M. G. Petr-Gotzens (1), M. Lombardi (5, T. Stanke (1)

arxiv:1505.04631 v1 · 2015-05-18 · 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{K4SEO5U3KIS7S2CRXY73KWO6E3}

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	2026-05-18T01:31:39.042126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

572447769b5225f96851be3fb559de26d471d846a2f191d9c78fb6f35a4be6c4

Aliases

arxiv: 1505.04631 · arxiv_version: 1505.04631v1 · doi: 10.48550/arxiv.1505.04631 · pith_short_12: K4SEO5U3KIS7 · pith_short_16: K4SEO5U3KIS7S2CR · pith_short_8: K4SEO5U3

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/K4SEO5U3KIS7S2CRXY73KWO6E3 \
  | 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: 572447769b5225f96851be3fb559de26d471d846a2f191d9c78fb6f35a4be6c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1a404a58165866c5ae0f530acdfdf387e88bbc123786b1dc36d0c769d6c6885",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-18T13:27:23Z",
    "title_canon_sha256": "a2408cc9717c17663663776b94b2f7bf0fbdcfcb5763f964198d324b199841f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04631",
    "kind": "arxiv",
    "version": 1
  }
}