Pith Number

pith:2IGC73V3

pith:2021:2IGC73V3M2YBK3DWQB7JEJVBO5

not attested not anchored not stored refs pending

A Fast Response Mission to Rendezvous with an Interstellar Object

Artur R. Davoyan, Darren Garber, John McVey, Louis D. Friedman, Nahum Melamed, Slava G. Turyshev, Todd F. Sheerin

arxiv:2106.14319 v2 · 2021-06-27 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IGC73V3M2YBK3DWQB7JEJVBO5}

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	2026-07-05T04:36:46.305461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20c2feebb66b0156c76807e9226a1775e6b79d18c29010b57923932c516f0d4

Aliases

arxiv: 2106.14319 · arxiv_version: 2106.14319v2 · doi: 10.48550/arxiv.2106.14319 · pith_short_12: 2IGC73V3M2YB · pith_short_16: 2IGC73V3M2YBK3DW · pith_short_8: 2IGC73V3

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/2IGC73V3M2YBK3DWQB7JEJVBO5 \
  | 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: d20c2feebb66b0156c76807e9226a1775e6b79d18c29010b57923932c516f0d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad694624ab62531fcdad00649be656b0d4febba7d642154f0a5ba4f0c4739ba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-06-27T20:54:31Z",
    "title_canon_sha256": "e576117a04b2fb5d0287e93e025c673451f20cef18dae4b970dfa596d694ed4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14319",
    "kind": "arxiv",
    "version": 2
  }
}