Pith Number

pith:IBJBEBW3

pith:2014:IBJBEBW366PCMUMTNUK442PVKG

not attested not anchored not stored refs pending

Parallax Beyond a Kiloparsec from Spatially Scanning the Wide Field Camera 3 on the Hubble Space Telescope

Adam G. Riess, Alexei V. Filippenko, Jay Anderson, John MacKenty, Stefano Casertano

arxiv:1401.0484 v1 · 2014-01-02 · astro-ph.IM · 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{IBJBEBW366PCMUMTNUK442PVKG}

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	2026-05-18T01:45:34.432653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40521206dbf79e2651936d15ce69f551afaea1207c55de3c225f4b5894537f3c

Aliases

arxiv: 1401.0484 · arxiv_version: 1401.0484v1 · doi: 10.48550/arxiv.1401.0484 · pith_short_12: IBJBEBW366PC · pith_short_16: IBJBEBW366PCMUMT · pith_short_8: IBJBEBW3

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/IBJBEBW366PCMUMTNUK442PVKG \
  | 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: 40521206dbf79e2651936d15ce69f551afaea1207c55de3c225f4b5894537f3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "979e621d409e07ac057a2da2f9fcfe1cc1fd9271f7f2fa77a0eff199716eb345",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-01-02T17:46:00Z",
    "title_canon_sha256": "5d1bcc43e1c49c4b4940341ea382301e36b1abb2ca2f5b44ab13e962376ab14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0484",
    "kind": "arxiv",
    "version": 1
  }
}