Pith Number

pith:I3PCVAPI

pith:2020:I3PCVAPIT7JWQ4MFUJOQCO45SG

not attested not anchored not stored refs pending

IVOA HiPS Implementation in the Framework of WorldWide Telescope

Boliang He, Changhua Li, Chenzhou Cui, Dongwei Fan, Hanxi Yang, Jun Han, Lan He, Linying Mi, Shanshan Li, Sisi Yang, Yihan Tao, Yunfei Xu

arxiv:2003.02029 v1 · 2020-03-04 · 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{I3PCVAPIT7JWQ4MFUJOQCO45SG}

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	2026-07-05T00:45:45.988812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46de2a81e89fd3687185a25d013b9d918b29ede277ae3c40fd4089b673cc8c1a

Aliases

arxiv: 2003.02029 · arxiv_version: 2003.02029v1 · doi: 10.48550/arxiv.2003.02029 · pith_short_12: I3PCVAPIT7JW · pith_short_16: I3PCVAPIT7JWQ4MF · pith_short_8: I3PCVAPI

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/I3PCVAPIT7JWQ4MFUJOQCO45SG \
  | 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: 46de2a81e89fd3687185a25d013b9d918b29ede277ae3c40fd4089b673cc8c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c569e6890b5cfc19555177d74620084a9597601677ad2a5cb06254f05047b36c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-03-04T12:07:27Z",
    "title_canon_sha256": "263bbd51ed466542292afd807eeacb18490dae2e0b844bf61e689eb0aa2934c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02029",
    "kind": "arxiv",
    "version": 1
  }
}