Pith Number

pith:TEGP7O36

pith:2022:TEGP7O36FTGMOPKX3MBMHYVKMX

not attested not anchored not stored refs pending

Project Lyra: A Mission to 1I/'Oumuamua without Solar Oberth Manoeuvre

Adam Hibberd, Andreas Hein, Marshall Eubanks, Robert Kennedy III

arxiv:2201.04240 v1 · 2022-01-11 · astro-ph.EP · 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{TEGP7O36FTGMOPKX3MBMHYVKMX}

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	2026-07-05T04:48:41.023882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990cffbb7e2cccc73d57db02c3e2aa65e8500a68f35b861dd8ca82a49dd334e6

Aliases

arxiv: 2201.04240 · arxiv_version: 2201.04240v1 · doi: 10.48550/arxiv.2201.04240 · pith_short_12: TEGP7O36FTGM · pith_short_16: TEGP7O36FTGMOPKX · pith_short_8: TEGP7O36

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/TEGP7O36FTGMOPKX3MBMHYVKMX \
  | 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: 990cffbb7e2cccc73d57db02c3e2aa65e8500a68f35b861dd8ca82a49dd334e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c24da253f8a742ff9152109a73003ef48cc437938ff75502d6e11322304762e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-01-11T23:40:05Z",
    "title_canon_sha256": "5473f722612c07e0398e924a1f5e871f75024355a22e24783bd5e5c43abc3848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04240",
    "kind": "arxiv",
    "version": 1
  }
}