Pith Number

pith:7UEJ4OF2

pith:2011:7UEJ4OF2JSIPVVHDHFTVP3IQ3P

not attested not anchored not stored refs pending

VLA Observations of the Infrared Dark Cloud G19.30+0.07

2, (2) NRAO, 3), (3) College of Idaho, 4), (4) U. Virginia, (5) U. Arizona), C. Brogan (2), C. J. Chandler (2), E. Churchwell (1), K. E. Devine (1, K. J. Borg (2) ((1) U. Wisconsin, R. Indebetouw (2, Y. Shirley (5)

arxiv:1103.0328 v1 · 2011-03-02 · 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{7UEJ4OF2JSIPVVHDHFTVP3IQ3P}

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	2026-05-18T02:03:01.320144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd089e38ba4c90fad4e3396757ed10dbdb2f89321fa422d3df880d135edf60e1

Aliases

arxiv: 1103.0328 · arxiv_version: 1103.0328v1 · doi: 10.48550/arxiv.1103.0328 · pith_short_12: 7UEJ4OF2JSIP · pith_short_16: 7UEJ4OF2JSIPVVHD · pith_short_8: 7UEJ4OF2

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/7UEJ4OF2JSIPVVHDHFTVP3IQ3P \
  | 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: fd089e38ba4c90fad4e3396757ed10dbdb2f89321fa422d3df880d135edf60e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653f6cd48684e0a3467636f057cf449b06bac727786af6b135b9d2e49a38b332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-03-02T01:13:21Z",
    "title_canon_sha256": "876d89d018e0760e92d8b89e44c5e466a1cced69093ab363d4f5e3843bc460dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0328",
    "kind": "arxiv",
    "version": 1
  }
}