Pith Number

pith:KA5IG3CM

pith:2017:KA5IG3CMTLLR5YPQYONO357D4Q

not attested not anchored not stored refs pending

Fundamental Physics with the Hubble Space Telescope

Bhuvnesh Jain, Cora Dvorkin, David Weinberg, Jeremy Heyl, Marc Kamionkowski, Neal Dalal, Phil Marshall

arxiv:1712.04928 v1 · 2017-12-13 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KA5IG3CMTLLR5YPQYONO357D4Q}

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	2026-05-18T00:28:03.145368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503a836c4c9ad71ee1f0c39aedf7e3e4066be1dabc345f49bc2b943e630d2ff4

Aliases

arxiv: 1712.04928 · arxiv_version: 1712.04928v1 · doi: 10.48550/arxiv.1712.04928 · pith_short_12: KA5IG3CMTLLR · pith_short_16: KA5IG3CMTLLR5YPQ · pith_short_8: KA5IG3CM

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/KA5IG3CMTLLR5YPQYONO357D4Q \
  | 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: 503a836c4c9ad71ee1f0c39aedf7e3e4066be1dabc345f49bc2b943e630d2ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdcb19143b7b794f185e32518a5b2d0c997f83e13417f1ec06267eee04852933",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-12-13T18:55:21Z",
    "title_canon_sha256": "8cfc9baf371b5233a121b7010b60358cb80e98c26a1cc88a8e0cb2b4a090de01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04928",
    "kind": "arxiv",
    "version": 1
  }
}