Pith Number

pith:FCMTP5A7

pith:2018:FCMTP5A7AOYLLUKXHYUCZOATCQ

not attested not anchored not stored refs pending

Interstellar object 'Oumuamua as an extinct fragment of an ejected cometary planetesimal

Dimitri Veras, Philip J. Armitage, Sean N. Raymond

arxiv:1803.02840 v1 · 2018-03-07 · astro-ph.EP · astro-ph.SR · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCMTP5A7AOYLLUKXHYUCZOATCQ}

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

The Natural History of 'Oumuamua

Receipt and verification

First computed	2026-05-18T00:19:20.436262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

289937f41f03b0b5d1573e282cb813141fb38b120adf3e24a3cb1070c60b6b34

Aliases

arxiv: 1803.02840 · arxiv_version: 1803.02840v1 · doi: 10.48550/arxiv.1803.02840 · pith_short_12: FCMTP5A7AOYL · pith_short_16: FCMTP5A7AOYLLUKX · pith_short_8: FCMTP5A7

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/FCMTP5A7AOYLLUKXHYUCZOATCQ \
  | 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: 289937f41f03b0b5d1573e282cb813141fb38b120adf3e24a3cb1070c60b6b34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6579caed790e338786b2d82ac97b70a77461bcbd8db4f600f3b211cad8b44c1d",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-07T19:07:29Z",
    "title_canon_sha256": "cf17aee775e1312c91032fd7b2950e24752566a9144a82ce61a4a75bf64fbc21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02840",
    "kind": "arxiv",
    "version": 1
  }
}