Pith Number

pith:DGE573LQ

pith:2016:DGE573LQK6NPQCDCJ34KBFDG4M

not attested not anchored not stored refs pending

The deep OB star population in Carina from the VST Photometric H$\alpha$ Survey (VPHAS+)

G. Barentsen, H. J. Farnhill, J. E. Drew, J. Eisl\"offel, J. S. Vink, M. Mohr-Smith, M. Mongui\'o, N. J. Wright, Q. A. Parker, R. Greimel, R. Napiwotzki, S. Sim\'on-D\'iaz, V. Kalari

arxiv:1610.07609 v1 · 2016-10-24 · 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{DGE573LQK6NPQCDCJ34KBFDG4M}

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	2026-05-18T00:54:28.212123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1989dfed70579af808624ef8a09466e30b6cfbafb3cfbb23a1e10cdf9439c6c2

Aliases

arxiv: 1610.07609 · arxiv_version: 1610.07609v1 · doi: 10.48550/arxiv.1610.07609 · pith_short_12: DGE573LQK6NP · pith_short_16: DGE573LQK6NPQCDC · pith_short_8: DGE573LQ

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/DGE573LQK6NPQCDCJ34KBFDG4M \
  | 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: 1989dfed70579af808624ef8a09466e30b6cfbafb3cfbb23a1e10cdf9439c6c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc7874973c8436f088d0758887c4af107308e8b996315d9ed2fb8884b95f8f5a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-24T20:00:01Z",
    "title_canon_sha256": "56280eb367b7c81275bd7713f49569e7b552aaaae3cff0e7fd90d3d8a9517f9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07609",
    "kind": "arxiv",
    "version": 1
  }
}