Pith Number

pith:FCSM7K5X

pith:2019:FCSM7K5X6V6DSOLD3OKBOGUZ56

not attested not anchored not stored refs pending

The 2019 Discovery of a Meteor of Interstellar Origin

Abraham Loeb, Amir Siraj

arxiv:1904.07224 v5 · 2019-04-15 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCSM7K5X6V6DSOLD3OKBOGUZ56}

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.

Cited by

1 paper in Pith

Searching the Moon for Extrasolar Material and the Building Blocks of Extraterrestrial Life

Receipt and verification

First computed	2026-07-05T04:53:23.310989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a4cfabb7f57c393963db94171a99efa8fd966ba120c6b998d2db48dccaeebb

Aliases

arxiv: 1904.07224 · arxiv_version: 1904.07224v5 · doi: 10.48550/arxiv.1904.07224 · pith_short_12: FCSM7K5X6V6D · pith_short_16: FCSM7K5X6V6DSOLD · pith_short_8: FCSM7K5X

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/FCSM7K5X6V6DSOLD3OKBOGUZ56 \
  | 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: 28a4cfabb7f57c393963db94171a99efa8fd966ba120c6b998d2db48dccaeebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a65d0f0dafea96b7ac6a82ce72e202db0c14bcd1b9cf79bb4d8ab8492bf8a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-15T17:59:59Z",
    "title_canon_sha256": "012151c292f21459fa2130237f6cd2c788448cd92f1394e1f466f4cc05106876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07224",
    "kind": "arxiv",
    "version": 5
  }
}