Pith Number

pith:I2WGO22C

pith:2012:I2WGO22CRQV7FWDEALNWWA26JX

not attested not anchored not stored refs pending

The Extreme Polarimeter: Design, Performance, First Results & Upgrades

C. U. Keller, H. Canovas, L. Homs, M. de Juan Ovelar, M. Min, M. Rodenhuis, S. V. Jeffers

arxiv:1211.6300 v1 · 2012-11-27 · 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{I2WGO22CRQV7FWDEALNWWA26JX}

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	2026-05-18T01:52:54.443346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ac676b428c2bf2d86402db6b035e4ddfdb8ff120fe14f70ee98c20f71e3912

Aliases

arxiv: 1211.6300 · arxiv_version: 1211.6300v1 · doi: 10.48550/arxiv.1211.6300 · pith_short_12: I2WGO22CRQV7 · pith_short_16: I2WGO22CRQV7FWDE · pith_short_8: I2WGO22C

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/I2WGO22CRQV7FWDEALNWWA26JX \
  | 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: 46ac676b428c2bf2d86402db6b035e4ddfdb8ff120fe14f70ee98c20f71e3912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d60df296cd9b12ea800adcd48b181da8f3371923f94de7ce565c4212515bf53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-11-27T13:43:22Z",
    "title_canon_sha256": "566ccde1ececa3fe04ce2637f0493ddd580a908dadd82f79846afc2b568ec0b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6300",
    "kind": "arxiv",
    "version": 1
  }
}