Pith Number

pith:7IQN5VMO

pith:2017:7IQN5VMOJBKMCO2CKWUU2T6GOL

not attested not anchored not stored refs pending

Chandra X-ray observation of the young stellar cluster NGC 3293 in the Carina Nebula Complex

B. Gaczkowski, L. Townsley, P. Broos, S. Flaischlen, T. Preibisch

arxiv:1707.08782 v1 · 2017-07-27 · astro-ph.SR · 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{7IQN5VMOJBKMCO2CKWUU2T6GOL}

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	2026-05-18T00:34:46.888335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa20ded58e4854c13b4255a94d4fc672ea32c48a714caa0c5798555a018f0d02

Aliases

arxiv: 1707.08782 · arxiv_version: 1707.08782v1 · doi: 10.48550/arxiv.1707.08782 · pith_short_12: 7IQN5VMOJBKM · pith_short_16: 7IQN5VMOJBKMCO2C · pith_short_8: 7IQN5VMO

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/7IQN5VMOJBKMCO2CKWUU2T6GOL \
  | 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: fa20ded58e4854c13b4255a94d4fc672ea32c48a714caa0c5798555a018f0d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8110c2eef25f9fb40efdb2a34ed144b89bd5d1cc0ab339ec2075db465319edc8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-27T08:55:11Z",
    "title_canon_sha256": "859c1c9b9026052af8f9bc442489552718c0c903ada14ce622107e1fba9e3975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08782",
    "kind": "arxiv",
    "version": 1
  }
}