Pith Number

pith:XD7K4PHD

pith:2012:XD7K4PHDAXCMCOOQYQ2D64OSZS

not attested not anchored not stored refs pending

Age spread in Galactic star forming region W3 Main

((1) MPIA, (2) AIfA, (3) ARI, (4) MPE, (5) LSW, (6) Purple Mountain Observatory, A. Bik (1), A. Pasquali (3), A. Stolte (2), Bonn, B. Rochau (1), China), D. A. Gouliermis (1), Garching, Germany, H. Beuther (1), Heidelberg, M. Gennaro (1), N. Ageorges (4), Nanjing, N. Kudryavtseva (1), Th. Henning (1), W. Brandner (1), W. Seifert (5), Y. Wang (6)

arxiv:1206.2139 v1 · 2012-06-11 · 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{XD7K4PHDAXCMCOOQYQ2D64OSZS}

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	2026-05-18T03:53:53.366274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8feae3ce305c4c139d0c4343f71d2cca01d1ec93f93a435e2b97704288211e3

Aliases

arxiv: 1206.2139 · arxiv_version: 1206.2139v1 · doi: 10.48550/arxiv.1206.2139 · pith_short_12: XD7K4PHDAXCM · pith_short_16: XD7K4PHDAXCMCOOQ · pith_short_8: XD7K4PHD

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/XD7K4PHDAXCMCOOQYQ2D64OSZS \
  | 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: b8feae3ce305c4c139d0c4343f71d2cca01d1ec93f93a435e2b97704288211e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1280b79a8322b0cef87864e9a260f160e652c9472b84d42472e4fd27892195d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-11T09:21:43Z",
    "title_canon_sha256": "878b43ef0735d2d17280955b150a181f56d4c99d932bdc79c59ca4e1e3af555d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2139",
    "kind": "arxiv",
    "version": 1
  }
}