Pith Number

pith:7VJQUZFS

pith:2015:7VJQUZFSGOYX6I23WSK2SLTHAI

not attested not anchored not stored refs pending

Circumstellar discs in Galactic centre clusters: Disc-bearing B-type stars in the Quintuplet and Arches clusters

Andrea M. Ghez, Andrea Stolte, Benjamin Hussmann, Christoph Olczak, Jay Anderson, Jessica R. Lu, Mark R. Morris, Maryam Habibi, William I. Clarkson, Wolfgang Brandner

arxiv:1502.03681 v1 · 2015-02-12 · 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{7VJQUZFSGOYX6I23WSK2SLTHAI}

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	2026-05-18T02:03:34.323644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd530a64b233b17f235bb495a92e67023734edf4cc10f287df18cbb443d09302

Aliases

arxiv: 1502.03681 · arxiv_version: 1502.03681v1 · doi: 10.48550/arxiv.1502.03681 · pith_short_12: 7VJQUZFSGOYX · pith_short_16: 7VJQUZFSGOYX6I23 · pith_short_8: 7VJQUZFS

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/7VJQUZFSGOYX6I23WSK2SLTHAI \
  | 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: fd530a64b233b17f235bb495a92e67023734edf4cc10f287df18cbb443d09302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f844dbf749c542ffe69b5d2bde6a72cb487c03241a3fcd0544e4c693b90cac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-12T14:41:47Z",
    "title_canon_sha256": "6595fc036c67b53dcb3e92c2b51119c5a5a0be63ee91449381bdcee9b8b93c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03681",
    "kind": "arxiv",
    "version": 1
  }
}