Pith Number

pith:USBL3UIY

pith:2015:USBL3UIYXQD6LIJKXDPCB4PWWK

not attested not anchored not stored refs pending

Signatures of Young Star Formation Activity Within Two Parsecs of Sgr A*

D. A. Roberts, F. Yusef-Zadeh, I. Smith, J. Lacy, M. Rickett, M. Royster, M. Sewilo, M. Wardle, M. W. Pound, R. Arendt, S. Martin, W. Cotton

arxiv:1505.05177 v1 · 2015-05-19 · 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{USBL3UIYXQD6LIJKXDPCB4PWWK}

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	2026-05-18T01:35:47.736200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a482bdd118bc07e5a12ab8de20f1f6b2ae4229623b2808dfd14c5f589c9401b0

Aliases

arxiv: 1505.05177 · arxiv_version: 1505.05177v1 · doi: 10.48550/arxiv.1505.05177 · pith_short_12: USBL3UIYXQD6 · pith_short_16: USBL3UIYXQD6LIJK · pith_short_8: USBL3UIY

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/USBL3UIYXQD6LIJKXDPCB4PWWK \
  | 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: a482bdd118bc07e5a12ab8de20f1f6b2ae4229623b2808dfd14c5f589c9401b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24b1359993e55f2c68d4f146773f2f1ad26dc105494c4ce6ba9efa47e88f5dff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-19T20:28:44Z",
    "title_canon_sha256": "2976a635a1249c2673634ef1e3119a8c8cd84f6d93c36dca907e4aa200e4eba5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05177",
    "kind": "arxiv",
    "version": 1
  }
}