Pith Number

pith:VA5Y6RNT

pith:2016:VA5Y6RNTS2YMMPDNM4WDWXVBZJ

not attested not anchored not stored refs pending

Tails from the Orphanage

Carl J. Grillmair

arxiv:1612.03181 v1 · 2016-12-09 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VA5Y6RNTS2YMMPDNM4WDWXVBZJ}

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	2026-05-18T00:53:04.840773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83b8f45b396b0c63c6d672c3b5ea1ca7a951e7372ed28ea67846f7db26edfad

Aliases

arxiv: 1612.03181 · arxiv_version: 1612.03181v1 · doi: 10.48550/arxiv.1612.03181 · pith_short_12: VA5Y6RNTS2YM · pith_short_16: VA5Y6RNTS2YMMPDN · pith_short_8: VA5Y6RNT

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/VA5Y6RNTS2YMMPDNM4WDWXVBZJ \
  | 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: a83b8f45b396b0c63c6d672c3b5ea1ca7a951e7372ed28ea67846f7db26edfad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18f87802f1872f1c1cbcef3eaaf8fc7ddbe8738abcf41c148cf2bfe3374617ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-09T21:00:22Z",
    "title_canon_sha256": "b19abdb6290311049826953f06c4677270d6b4c345cfa5544ecee0bb23e4042f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03181",
    "kind": "arxiv",
    "version": 1
  }
}