Pith Number

pith:QBAKKSB7

pith:2017:QBAKKSB74C2E4OG3BC4KMTZ2H5

not attested not anchored not stored refs pending

Photometric determination of the mass accretion rates of pre-main sequence stars. V. Recent star formation in the 30 Dor nebula

Giacomo Beccari, Guido De Marchi, Nino Panagia

arxiv:1708.03631 v1 · 2017-08-11 · 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{QBAKKSB74C2E4OG3BC4KMTZ2H5}

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	2026-05-18T00:35:19.168294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8040a5483fe0b44e38db08b8a64f3a3f59b1cc239b8fdb99ab9581ad2476d504

Aliases

arxiv: 1708.03631 · arxiv_version: 1708.03631v1 · doi: 10.48550/arxiv.1708.03631 · pith_short_12: QBAKKSB74C2E · pith_short_16: QBAKKSB74C2E4OG3 · pith_short_8: QBAKKSB7

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/QBAKKSB74C2E4OG3BC4KMTZ2H5 \
  | 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: 8040a5483fe0b44e38db08b8a64f3a3f59b1cc239b8fdb99ab9581ad2476d504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe4a8d86c001475a10dba5d61e02d8943403582b04b3dd80696d2ea1be7036f1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-11T17:56:09Z",
    "title_canon_sha256": "498967f91dee67298a95756202592d72ebdd02448bed623af6f09db4f1fb2fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03631",
    "kind": "arxiv",
    "version": 1
  }
}