Pith Number

pith:ORT5KZIG

pith:2011:ORT5KZIGM35OC7WUXX3QUYUEBF

not attested not anchored not stored refs pending

Early phase of massive star formation: A case study of Infrared dark cloud G084.81-01.09

C. Henkel, J. D. Pandian, J. Yang, K. M. Menten, S. B. Zhang, Y. Xu

arxiv:1101.4072 v1 · 2011-01-21 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORT5KZIGM35OC7WUXX3QUYUEBF}

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	2026-05-18T02:03:25.749934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7467d5650666fae17ed4bdf70a62840948d6f2c9efa4f72d573e42514ace7716

Aliases

arxiv: 1101.4072 · arxiv_version: 1101.4072v1 · doi: 10.48550/arxiv.1101.4072 · pith_short_12: ORT5KZIGM35O · pith_short_16: ORT5KZIGM35OC7WU · pith_short_8: ORT5KZIG

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/ORT5KZIGM35OC7WUXX3QUYUEBF \
  | 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: 7467d5650666fae17ed4bdf70a62840948d6f2c9efa4f72d573e42514ace7716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638d7527a815e443becbf7d3bfbb406caf889e22e5706da51f4f5836b1819aa9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-21T05:31:11Z",
    "title_canon_sha256": "21b7d0e5754b8089e24046de600a5d101d0514de981e58a4a56f4e8a72cc583f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4072",
    "kind": "arxiv",
    "version": 1
  }
}