Pith Number

pith:255RJC7H

pith:2013:255RJC7HJIXXLF4G5S22BMAK5G

not attested not anchored not stored refs pending

Aberration of starlight experiment

Robert A. Woodruff

arxiv:1307.7300 v1 · 2013-07-27 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{255RJC7HJIXXLF4G5S22BMAK5G}

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	2026-05-18T03:17:23.658484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77b148be74a2f759786ecb5a0b00ae9b1bc3ce32ceea797ae6e4826497b7310

Aliases

arxiv: 1307.7300 · arxiv_version: 1307.7300v1 · doi: 10.48550/arxiv.1307.7300 · pith_short_12: 255RJC7HJIXX · pith_short_16: 255RJC7HJIXXLF4G · pith_short_8: 255RJC7H

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/255RJC7HJIXXLF4G5S22BMAK5G \
  | 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: d77b148be74a2f759786ecb5a0b00ae9b1bc3ce32ceea797ae6e4826497b7310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "685aea65bc3c1510c0717a18f4ca97028337131880fc0a3691f9d20e6862a244",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-27T19:57:26Z",
    "title_canon_sha256": "426ae347e3ef0e3073d467ca7a826766663f2017e8184f6bf287728506693ee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7300",
    "kind": "arxiv",
    "version": 1
  }
}