Pith Number

pith:ED6HFMQ3

pith:2011:ED6HFMQ3R77SFCO4GKUAFK3EFN

not attested not anchored not stored refs pending

Detection of a large massive circumstellar disk around a high-mass young stellar object in the Carina Nebula

Hans Zinnecker, Henrike Ohlendorf, James R. Lewis, Mark J. McCaughrean, Robert R. King, Thomas Preibisch, Thorsten Ratzka, Tiago Gehring

arxiv:1104.3706 v1 · 2011-04-19 · 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{ED6HFMQ3R77SFCO4GKUAFK3EFN}

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	2026-05-18T02:02:22.887096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20fc72b21b8fff2289dc32a802ab642b478d018dc34b350d54b1735ec652d593

Aliases

arxiv: 1104.3706 · arxiv_version: 1104.3706v1 · doi: 10.48550/arxiv.1104.3706 · pith_short_12: ED6HFMQ3R77S · pith_short_16: ED6HFMQ3R77SFCO4 · pith_short_8: ED6HFMQ3

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/ED6HFMQ3R77SFCO4GKUAFK3EFN \
  | 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: 20fc72b21b8fff2289dc32a802ab642b478d018dc34b350d54b1735ec652d593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f59b2a7dae00879e93872518428cddabe1532878a8e3fbe58b2072075ee5ce",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-19T10:56:04Z",
    "title_canon_sha256": "98f56788dd77c79f22f31c38590aa6fa2d2f499a38335bcc123a85853a09f5e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3706",
    "kind": "arxiv",
    "version": 1
  }
}