Pith Number

pith:7NGM3KPD

pith:2010:7NGM3KPDY4MFVIJARJ65SA4ROF

not attested not anchored not stored refs pending

GC-IRS13E - A puzzling association of three early-type stars

Damien Gratadour, Fabrice Martins, Frank Eisenhauer, Hendrik Bartko, Katie Dodds-Eden, Oliver Pfuhl, Reinhard Genzel, Sascha Trippe, Stefan Gillessen, Thibaut Paumard, Thomas Ott, Tobias K. Fritz

arxiv:1003.1717 v2 · 2010-03-08 · 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{7NGM3KPDY4MFVIJARJ65SA4ROF}

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	2026-05-18T02:08:36.450583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4ccda9e3c7185aa1208a7dd9039171649c71cc2515e944c6f47690a5cc687a

Aliases

arxiv: 1003.1717 · arxiv_version: 1003.1717v2 · doi: 10.48550/arxiv.1003.1717 · pith_short_12: 7NGM3KPDY4MF · pith_short_16: 7NGM3KPDY4MFVIJA · pith_short_8: 7NGM3KPD

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/7NGM3KPDY4MFVIJARJ65SA4ROF \
  | 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: fb4ccda9e3c7185aa1208a7dd9039171649c71cc2515e944c6f47690a5cc687a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c41c804fd67b4c2f4299e03836800f435f8a3b1c3adb365244829a3e26576a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-08T21:00:02Z",
    "title_canon_sha256": "abed23e3c5051d1655c694672c586b59920d008715325aadbfc012d0a9e289ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1717",
    "kind": "arxiv",
    "version": 2
  }
}