Pith Number

pith:K7PZ3NTY

pith:2011:K7PZ3NTYKZY5WHSA3ELCL3DOYP

not attested not anchored not stored refs pending

Variability of Young Massive Stars in the Arches Cluster: Accurate Photometry with Adaptive Optics

A.Z. Bonanos, G. Pietrzynski, K. Markakis, K.Z. Stanek, L. Macri

arxiv:1108.4452 v1 · 2011-08-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7PZ3NTYKZY5WHSA3ELCL3DOYP}

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	2026-05-18T04:14:54.580874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57df9db6785671db1e40d91625ec6ec3edf9f069f1413ec7924b337d55c6d252

Aliases

arxiv: 1108.4452 · arxiv_version: 1108.4452v1 · doi: 10.48550/arxiv.1108.4452 · pith_short_12: K7PZ3NTYKZY5 · pith_short_16: K7PZ3NTYKZY5WHSA · pith_short_8: K7PZ3NTY

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/K7PZ3NTYKZY5WHSA3ELCL3DOYP \
  | 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: 57df9db6785671db1e40d91625ec6ec3edf9f069f1413ec7924b337d55c6d252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9bec718cc0c751e8d0a24da1c0089e6b77082e2aa4a4ec75b39600866f10b43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-22T22:35:53Z",
    "title_canon_sha256": "b73162e417be7bde0734755b05382b3858903b24ecd5065d9732bec458fc3190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4452",
    "kind": "arxiv",
    "version": 1
  }
}