Pith Number

pith:3A5R2P5H

pith:2015:3A5R2P5HSB6CF4WWOGHDZPVM7E

not attested not anchored not stored refs pending

Radio Continuum Observations of the Galactic Center: Photoevaporative Proplyd-like Objects near Sgr A*

D. A. Roberts, F. Yusef-Zadeh, M. J. Royster, M. Wardle, R. Sch\"odel, W. Cotton

arxiv:1502.03109 v1 · 2015-02-10 · 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{3A5R2P5HSB6CF4WWOGHDZPVM7E}

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	2026-05-18T01:41:03.893363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d83b1d3fa7907c22f2d6718e3cbeacf9330814069356190005421fbe2a2a597d

Aliases

arxiv: 1502.03109 · arxiv_version: 1502.03109v1 · doi: 10.48550/arxiv.1502.03109 · pith_short_12: 3A5R2P5HSB6C · pith_short_16: 3A5R2P5HSB6CF4WW · pith_short_8: 3A5R2P5H

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/3A5R2P5HSB6CF4WWOGHDZPVM7E \
  | 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: d83b1d3fa7907c22f2d6718e3cbeacf9330814069356190005421fbe2a2a597d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d2d81595cbeec693064128eb0364cecdf69ef1fb0a5312f15d16d3e120d9054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-10T21:00:27Z",
    "title_canon_sha256": "eba2b3929bb4e551806a4228aab8647bf66c71bb0ed7615eb93d5d102920523e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03109",
    "kind": "arxiv",
    "version": 1
  }
}