Pith Number

pith:TN6EC7O7

pith:2009:TN6EC7O7PXQLINDF3PJWUYYUGA

not attested not anchored not stored refs pending

The clumpiness of molecular clouds: HCO+ (3--2) survey near Herbig-Haro objects

D. A. Williams, J. M. Girart, R. Estalella, S. Viti, W. Whyatt

arxiv:0911.1648 v1 · 2009-11-09 · astro-ph.GA · 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{TN6EC7O7PXQLINDF3PJWUYYUGA}

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	2026-05-18T02:10:49.717761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b7c417ddf7de0b43465dbd36a6314303631bb771c34767470c8c0c0827ea91a

Aliases

arxiv: 0911.1648 · arxiv_version: 0911.1648v1 · doi: 10.48550/arxiv.0911.1648 · pith_short_12: TN6EC7O7PXQL · pith_short_16: TN6EC7O7PXQLINDF · pith_short_8: TN6EC7O7

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/TN6EC7O7PXQLINDF3PJWUYYUGA \
  | 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: 9b7c417ddf7de0b43465dbd36a6314303631bb771c34767470c8c0c0827ea91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4f0c4c245f5a429636c90e3f702f430042eea38fcc6676c3acfde907860c9f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-09T11:57:21Z",
    "title_canon_sha256": "79a4c71d54964b7f660773ca9700ef996e449eeb13b3da5de02c1698b8cf8648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1648",
    "kind": "arxiv",
    "version": 1
  }
}