Pith Number

pith:NK4ZEB45

pith:2021:NK4ZEB454WSCURVFC6CDAXESMY

not attested not anchored not stored refs pending

Quantifying Variability of YSOs in the Mid-IR Over Six Years with NEOWISE

Anupam Bhardwaj, Carlos Contreras Pe\~na, Doug Johnstone, Gerald H. Moriarty-Schieven, Gregory Herczeg, Jeong-Eun Lee, Seonjae Lee, Sieun Lee, Wooseok Park

arxiv:2107.10751 v1 · 2021-07-22 · astro-ph.SR · 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{NK4ZEB454WSCURVFC6CDAXESMY}

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	2026-07-05T03:47:44.884439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab992079de5a42a46a51784305c9266145ecd78b8ff74b7717a07c737d2a7dd

Aliases

arxiv: 2107.10751 · arxiv_version: 2107.10751v1 · doi: 10.48550/arxiv.2107.10751 · pith_short_12: NK4ZEB454WSC · pith_short_16: NK4ZEB454WSCURVF · pith_short_8: NK4ZEB45

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/NK4ZEB454WSCURVFC6CDAXESMY \
  | 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: 6ab992079de5a42a46a51784305c9266145ecd78b8ff74b7717a07c737d2a7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5783b69738f8b6a5cf857d4b56d949e6114ef8cf30dae1d2313e633a8c2ebee4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-22T15:36:01Z",
    "title_canon_sha256": "afa6e299d2504d86357bd4a943e381572dd21617689bc786090eab2d846015ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10751",
    "kind": "arxiv",
    "version": 1
  }
}