Pith Number

pith:O5TDYXTX

pith:2014:O5TDYXTXN33SQZFTHAG5LRZJ7X

not attested not anchored not stored refs pending

Possible Origin of the G2 Cloud from the Tidal Disruption of a Known Giant Star by Sgr A*

(2) UC Santa Cruz), Abraham Loeb (1), Enrico Ramirez-Ruiz (2) ((1) Harvard ITC, James Guillochon (1), Morgan MacLeod (2)

arxiv:1401.2990 v2 · 2014-01-13 · astro-ph.HE · 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{O5TDYXTXN33SQZFTHAG5LRZJ7X}

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	2026-05-18T01:45:26.005358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77663c5e776ef72864b3380dd5c729fdddfaed69fe50ca896bdfe55f5fe82b4d

Aliases

arxiv: 1401.2990 · arxiv_version: 1401.2990v2 · doi: 10.48550/arxiv.1401.2990 · pith_short_12: O5TDYXTXN33S · pith_short_16: O5TDYXTXN33SQZFT · pith_short_8: O5TDYXTX

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/O5TDYXTXN33SQZFTHAG5LRZJ7X \
  | 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: 77663c5e776ef72864b3380dd5c729fdddfaed69fe50ca896bdfe55f5fe82b4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4487b186bbe571dffd4af6185c648d8f139463a75ffee86f59f9921d580e41ae",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-13T21:00:12Z",
    "title_canon_sha256": "1a95a5172a013a7cc7b7fe700207e4d2a24fa02520f79fd4777a3173676d1e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2990",
    "kind": "arxiv",
    "version": 2
  }
}