Pith Number

pith:MYWIRI2M

pith:2016:MYWIRI2MJORBUSJGSBDI77MVYN

not attested not anchored not stored refs pending

Gaia Shows That Messier 40 is Definitely Not a Binary Star

Brady Haran, Meghan E. Gray, Michael R. Merrifield

arxiv:1612.00834 v1 · 2016-12-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYWIRI2MJORBUSJGSBDI77MVYN}

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	2026-05-18T00:55:58.947964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

662c88a34c4ba21a492690468ffd95c350a75af8bf865f7ba8f53ec6267ef496

Aliases

arxiv: 1612.00834 · arxiv_version: 1612.00834v1 · doi: 10.48550/arxiv.1612.00834 · pith_short_12: MYWIRI2MJORB · pith_short_16: MYWIRI2MJORBUSJG · pith_short_8: MYWIRI2M

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/MYWIRI2MJORBUSJGSBDI77MVYN \
  | 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: 662c88a34c4ba21a492690468ffd95c350a75af8bf865f7ba8f53ec6267ef496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70d4f1ebbc6a453ef461b87fa54cc45e58270ef5dc128d572695d2960a3a50d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-02T20:51:53Z",
    "title_canon_sha256": "303887e14220f759abf3a972caf346421b2b1e30c44af562813e55836ce5a95d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00834",
    "kind": "arxiv",
    "version": 1
  }
}