Pith Number

pith:YVUFISNG

pith:2018:YVUFISNGLITJF3MBUG2ZU6CH7U

not attested not anchored not stored refs pending

A kinematical age for the interstellar object 1I/'Oumuamua

F. Almeida-Fernandes, H. J. Rocha-Pinto

arxiv:1808.03637 v1 · 2018-08-10 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVUFISNGLITJF3MBUG2ZU6CH7U}

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	2026-05-18T00:07:39.924877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5685449a65a2692ed81a1b59a7847fd2bbb243fff933ad3756b228e5bf60a96

Aliases

arxiv: 1808.03637 · arxiv_version: 1808.03637v1 · doi: 10.48550/arxiv.1808.03637 · pith_short_12: YVUFISNGLITJ · pith_short_16: YVUFISNGLITJF3MB · pith_short_8: YVUFISNG

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/YVUFISNGLITJF3MBUG2ZU6CH7U \
  | 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: c5685449a65a2692ed81a1b59a7847fd2bbb243fff933ad3756b228e5bf60a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3ee5ea238ae1a7876719a7c195bfec02937cefeda360971dad20f9d6f58a0bd",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-10T17:52:20Z",
    "title_canon_sha256": "dfec82dcf5792480954a8f93311732eaad07825848353a69564df2467d3eda67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03637",
    "kind": "arxiv",
    "version": 1
  }
}