Pith Number

pith:7VKQAMWY

pith:2015:7VKQAMWYJXSRYK7D3KCWTTXHFA

not attested not anchored not stored refs pending

Client Interfaces to the Virtual Observatory Registry

Jonathan Normand, Mark Taylor, Markus Demleitner, Paul Harrison

arxiv:1502.01186 v1 · 2015-02-04 · 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{7VKQAMWYJXSRYK7D3KCWTTXHFA}

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	2026-05-18T02:27:57.788651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd550032d84de51c2be3da8569cee7280b9d4b7c81fdbe538b81cf6c4aec0ebd

Aliases

arxiv: 1502.01186 · arxiv_version: 1502.01186v1 · doi: 10.48550/arxiv.1502.01186 · pith_short_12: 7VKQAMWYJXSR · pith_short_16: 7VKQAMWYJXSRYK7D · pith_short_8: 7VKQAMWY

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/7VKQAMWYJXSRYK7D3KCWTTXHFA \
  | 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: fd550032d84de51c2be3da8569cee7280b9d4b7c81fdbe538b81cf6c4aec0ebd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5cb00a8330ae15cf0bea1e05978782014d87f279d34d06324d3c373653f305d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-02-04T13:18:35Z",
    "title_canon_sha256": "5ce900571600edbc04577ad033c91bdbf1c2b91a2207e4cb722376c6d3db9db2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01186",
    "kind": "arxiv",
    "version": 1
  }
}