Pith Number

pith:JGGE7SV6

pith:2020:JGGE7SV6WCLRRFA5XY7S7WAOI2

not attested not anchored not stored refs pending

Project Lyra: Catching 1I/'Oumuamua -- Using Laser Sailcraft in 2030

Adam Hibberd, Andreas M. Hein

arxiv:2006.03891 v1 · 2020-06-06 · astro-ph.EP · astro-ph.IM · physics.space-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{JGGE7SV6WCLRRFA5XY7S7WAOI2}

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

Science from the In Situ Exploration of the Proxima Centauri System

Receipt and verification

First computed	2026-07-05T01:08:33.953923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

498c4fcabeb09718941dbe3f2fd80e468408aa26fe1fe8bc8760452961ea001c

Aliases

arxiv: 2006.03891 · arxiv_version: 2006.03891v1 · doi: 10.48550/arxiv.2006.03891 · pith_short_12: JGGE7SV6WCLR · pith_short_16: JGGE7SV6WCLRRFA5 · pith_short_8: JGGE7SV6

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/JGGE7SV6WCLRRFA5XY7S7WAOI2 \
  | 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: 498c4fcabeb09718941dbe3f2fd80e468408aa26fe1fe8bc8760452961ea001c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db312077bb24d8c909362251a2d8c3ac7325b17b126f4d2efc2a631aa9fc8b0f",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-06-06T15:29:02Z",
    "title_canon_sha256": "3e8867f70e31b0cb9fe1a95307f92e721574be31050d1e12cc8063ed6885700a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.03891",
    "kind": "arxiv",
    "version": 1
  }
}