Pith Number

pith:MQ3PSCVZ

pith:2014:MQ3PSCVZ5V6VX5YHDUKWCGQSF7

not attested not anchored not stored refs pending

Observations of the Most Massive Deeply Embedded Star Clusters in the Milky Way

(2) ASIAA), Hauyu Baobab Liu (2) ((1) ESO-Garching, Roberto Galv\'an-Madrid (1)

arxiv:1401.6378 v1 · 2014-01-24 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQ3PSCVZ5V6VX5YHDUKWCGQSF7}

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	2026-05-18T03:01:12.257859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6436f90ab9ed7d5bf7071d15611a122fda79ed4699c849901b62793a9761d48b

Aliases

arxiv: 1401.6378 · arxiv_version: 1401.6378v1 · doi: 10.48550/arxiv.1401.6378 · pith_short_12: MQ3PSCVZ5V6V · pith_short_16: MQ3PSCVZ5V6VX5YH · pith_short_8: MQ3PSCVZ

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/MQ3PSCVZ5V6VX5YHDUKWCGQSF7 \
  | 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: 6436f90ab9ed7d5bf7071d15611a122fda79ed4699c849901b62793a9761d48b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94c2addefaf82da4f6de83cc5050257ef902a0f8bc726fc87c43566ae38485af",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-24T15:41:10Z",
    "title_canon_sha256": "4235e7b1b043a10f6d10ceb2bbc07f72d734f5869c49800bd968990c0b468d91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6378",
    "kind": "arxiv",
    "version": 1
  }
}