Pith Number

pith:H6EEJPA3

pith:2019:H6EEJPA3V4VMYEB4F4COYS5D3W

not attested not anchored not stored refs pending

HIPPI-2: A Versatile High Precision Polarimeter

Ain De Horta, Daniel V. Cotton, Darren Maybour, Jeremy Bailey, Lucyna Kedziora-Chudczer

arxiv:1911.02123 v1 · 2019-11-05 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6EEJPA3V4VMYEB4F4COYS5D3W}

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	2026-07-05T00:36:41.827849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f8844bc1baf2acc103c2f04ec4ba3dd8a55df9de319b73b316d3c476f041ba1

Aliases

arxiv: 1911.02123 · arxiv_version: 1911.02123v1 · doi: 10.48550/arxiv.1911.02123 · pith_short_12: H6EEJPA3V4VM · pith_short_16: H6EEJPA3V4VMYEB4 · pith_short_8: H6EEJPA3

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/H6EEJPA3V4VMYEB4F4COYS5D3W \
  | 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: 3f8844bc1baf2acc103c2f04ec4ba3dd8a55df9de319b73b316d3c476f041ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb5dc202cf53dc80c08a2a22b7f8a8d50dfbdc08cf5ab9cb81aa31979ed3d742",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-05T22:51:01Z",
    "title_canon_sha256": "4cb780c6ee4ec208f3d8b609b169d8650b56b6c2ed2f6d5c41e4d0d81a21c0e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02123",
    "kind": "arxiv",
    "version": 1
  }
}