Pith Number

pith:YV3JGEFM

pith:2015:YV3JGEFMOIXCXXNYEAM6GXVY5D

not attested not anchored not stored refs pending

A study of purely astrometric selection of extragalactic point sources with Gaia

Erik H{\o}g, Johan P. U. Fynbo, Kasper E. Heintz

arxiv:1503.02874 v2 · 2015-03-10 · astro-ph.HE · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YV3JGEFMOIXCXXNYEAM6GXVY5D}

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	2026-05-18T01:44:11.231998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5769310ac722e2bddb82019e35eb8e8df28a0cb558ceed0f498db4f1f57dce5

Aliases

arxiv: 1503.02874 · arxiv_version: 1503.02874v2 · doi: 10.48550/arxiv.1503.02874 · pith_short_12: YV3JGEFMOIXC · pith_short_16: YV3JGEFMOIXCXXNY · pith_short_8: YV3JGEFM

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/YV3JGEFMOIXCXXNYEAM6GXVY5D \
  | 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: c5769310ac722e2bddb82019e35eb8e8df28a0cb558ceed0f498db4f1f57dce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e85849676df9a4aff21044bc329e21906ffa8f1586be7fdd286bea91f6b3dc91",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-10T11:44:39Z",
    "title_canon_sha256": "345fd5abae50f37d60d40cd6d62310670f1986810f2d9d3a8e0fda5e537e29e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02874",
    "kind": "arxiv",
    "version": 2
  }
}