Pith Number

pith:2YEGAK7A

pith:2019:2YEGAK7AFXQD3PE7VNXTKLMSN2

not attested not anchored not stored refs pending

The International Virtual Observatory Alliance in 2018

Chenzhou Cui, Janet D. Evans, Mark G. Allen, Patrick Dowler, Tim Jenness

arxiv:1903.06636 v1 · 2019-03-15 · 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{2YEGAK7AFXQD3PE7VNXTKLMSN2}

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	2026-05-17T23:51:10.278894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d608602be02de03dbc9fab6f352d926e96db3d889a065d5be59e7c9d2a2a6641

Aliases

arxiv: 1903.06636 · arxiv_version: 1903.06636v1 · doi: 10.48550/arxiv.1903.06636 · pith_short_12: 2YEGAK7AFXQD · pith_short_16: 2YEGAK7AFXQD3PE7 · pith_short_8: 2YEGAK7A

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/2YEGAK7AFXQD3PE7VNXTKLMSN2 \
  | 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: d608602be02de03dbc9fab6f352d926e96db3d889a065d5be59e7c9d2a2a6641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23385c5c1864b1b675b61a041c3ff5a3bdbc404eafb5d9ae11303d253bf3879e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-15T16:24:27Z",
    "title_canon_sha256": "339b9e4cf8361289f106b2bec23a2454f1e30260d1222535bcbcb8fdce99f8a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06636",
    "kind": "arxiv",
    "version": 1
  }
}