Pith Number

pith:HPAV7ZSW

pith:2017:HPAV7ZSWHFF2DI6L5SCDWGB63D

not attested not anchored not stored refs pending

The origin of interstellar asteroidal objects like 1I/2017 U1 'Oumuamua

(2) NleSC), Inti Pelupessy (2), Jeroen Bedorf, Maxwell Cai ((1) Leiden Observatory, Santiago Torres (1), Simon Portegies Zwart (1)

arxiv:1711.03558 v3 · 2017-11-09 · 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{HPAV7ZSWHFF2DI6L5SCDWGB63D}

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	2026-05-18T00:13:31.396125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bc15fe656394ba1a3cbec843b183ed8c75dddb861e773d20a85dcf58e0f4a6a

Aliases

arxiv: 1711.03558 · arxiv_version: 1711.03558v3 · doi: 10.48550/arxiv.1711.03558 · pith_short_12: HPAV7ZSWHFF2 · pith_short_16: HPAV7ZSWHFF2DI6L · pith_short_8: HPAV7ZSW

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/HPAV7ZSWHFF2DI6L5SCDWGB63D \
  | 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: 3bc15fe656394ba1a3cbec843b183ed8c75dddb861e773d20a85dcf58e0f4a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd696dfb16f4153838c397b17a420899a46c77ea51b32c4de21a642d5c55924",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-09T19:00:47Z",
    "title_canon_sha256": "69c1ac6fcd0150209acf410584d51c92bc880359d48630e6dd9d6d8a259e7ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03558",
    "kind": "arxiv",
    "version": 3
  }
}