Pith Number

pith:XH3LDIAG

pith:2021:XH3LDIAGK5ZUZFXYG3L3GUC46I

not attested not anchored not stored refs pending

Multi-wavelength observations and modelling of a quiescent cloud LDN1512

C. Lefevre, L. Pagani, M. Juvela, M. Saajasto, N. Ysard

arxiv:2101.12032 v1 · 2021-01-28 · 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{XH3LDIAGK5ZUZFXYG3L3GUC46I}

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	2026-07-05T02:25:36.567200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f6b1a00657734c96f836d7b3505cf21af04126e30bf85a2f49d1f0ac4dc7c1

Aliases

arxiv: 2101.12032 · arxiv_version: 2101.12032v1 · doi: 10.48550/arxiv.2101.12032 · pith_short_12: XH3LDIAGK5ZU · pith_short_16: XH3LDIAGK5ZUZFXY · pith_short_8: XH3LDIAG

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/XH3LDIAGK5ZUZFXYG3L3GUC46I \
  | 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: b9f6b1a00657734c96f836d7b3505cf21af04126e30bf85a2f49d1f0ac4dc7c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7206f6f8c6f36fde98ea6fceb68303522d4620515814e609b063b67b45dde8fa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-28T14:48:50Z",
    "title_canon_sha256": "263f4cf618604d770eb528ecd2250eac6d6b1a430ac5eb17ea89739fa1539c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12032",
    "kind": "arxiv",
    "version": 1
  }
}