Pith Number

pith:XYSY5V5B

pith:2019:XYSY5V5BF22FXX7ZM2REL5C6W6

not attested not anchored not stored refs pending

From Dark Energy to Exolife: Improving the Digital Information Infrastructure for Astrophysics

Alberto Accomazzi, Michael J. Kurtz

arxiv:1903.00297 v1 · 2019-03-01 · 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{XYSY5V5BF22FXX7ZM2REL5C6W6}

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	2026-05-17T23:52:20.192135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be258ed7a12eb45bdff966a245f45eb78cb57fd8f1893516b65d808a78e06de0

Aliases

arxiv: 1903.00297 · arxiv_version: 1903.00297v1 · doi: 10.48550/arxiv.1903.00297 · pith_short_12: XYSY5V5BF22F · pith_short_16: XYSY5V5BF22FXX7Z · pith_short_8: XYSY5V5B

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/XYSY5V5BF22FXX7ZM2REL5C6W6 \
  | 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: be258ed7a12eb45bdff966a245f45eb78cb57fd8f1893516b65d808a78e06de0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d7e584b76bdaf0052cd8687cfd1c24b70b61258146f639a4795d337663d4439",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-01T13:46:21Z",
    "title_canon_sha256": "ad2db84ce6fbad45ac3d0b1511eff8ec037c344386dbbdeb0f6283827c8b3d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00297",
    "kind": "arxiv",
    "version": 1
  }
}