Pith Number

pith:MF2MH74B

pith:2016:MF2MH74BINBWEE2W6KGGJQPN3A

not attested not anchored not stored refs pending

Optimal Orderings of k-subsets for Star Identification

Carlos S\'anchez-S\'anchez, Dario Izzo, Joerg H. Mueller, Lu\'is F. Sim\~oes

arxiv:1607.04552 v1 · 2016-07-15 · math.OC · 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{MF2MH74BINBWEE2W6KGGJQPN3A}

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	2026-05-18T00:44:16.029690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6174c3ff814343621356f28c64c1edd80d8036eb2c6d3636e856e950ff4eb7ac

Aliases

arxiv: 1607.04552 · arxiv_version: 1607.04552v1 · doi: 10.48550/arxiv.1607.04552 · pith_short_12: MF2MH74BINBW · pith_short_16: MF2MH74BINBWEE2W · pith_short_8: MF2MH74B

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/MF2MH74BINBWEE2W6KGGJQPN3A \
  | 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: 6174c3ff814343621356f28c64c1edd80d8036eb2c6d3636e856e950ff4eb7ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6d6e9c960a39aea8ec8223cde2aa634440ab59c205013da7c59517fdae30dc",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-07-15T15:22:38Z",
    "title_canon_sha256": "04133b153fabce868bde582f22af9b2f424f5595e939ce481508f113a768f808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04552",
    "kind": "arxiv",
    "version": 1
  }
}