Pith Number

pith:IVOPL3IM

pith:2017:IVOPL3IMCMJ7RWH64EGXUUHJUZ

not attested not anchored not stored refs pending

IVOA Recommendation: HiPS - Hierarchical Progressive Survey

Daniel Durand, Felix Stoehr, Jesus Salgado, Ken Ebisawa, Laurent Michel, Mark Allen, Pierre Fernique, Thomas Boch, Tom Donaldson

arxiv:1708.09704 v1 · 2017-08-31 · 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{IVOPL3IMCMJ7RWH64EGXUUHJUZ}

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	2026-05-17T23:45:41.317757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

455cf5ed0c1313f8d8fee10d7a50e9a66582cf4f851e951a4416f0969d364263

Aliases

arxiv: 1708.09704 · arxiv_version: 1708.09704v1 · doi: 10.48550/arxiv.1708.09704 · pith_short_12: IVOPL3IMCMJ7 · pith_short_16: IVOPL3IMCMJ7RWH6 · pith_short_8: IVOPL3IM

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/IVOPL3IMCMJ7RWH64EGXUUHJUZ \
  | 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: 455cf5ed0c1313f8d8fee10d7a50e9a66582cf4f851e951a4416f0969d364263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84be4f2f37930d18a2919ac0bf2afce52db5098f84f57ec3578a23b9cf3ca7a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-08-31T13:38:21Z",
    "title_canon_sha256": "23a219f7ace1a0a41a5ad17ab5cc7f0d3dec49ba71061e35002539b6b9f97958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09704",
    "kind": "arxiv",
    "version": 1
  }
}