Pith Number

pith:PFNZ3QLE

pith:2011:PFNZ3QLE5JFOBXIUO4SES2MNQG

not attested not anchored not stored refs pending

An optical mechanism for aberration of starlight

Robert A. Woodruff

arxiv:1110.4788 v1 · 2011-10-18 · 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{PFNZ3QLE5JFOBXIUO4SES2MNQG}

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	2026-05-18T03:19:46.273557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795b9dc164ea4ae0dd14772449698d81bbebc66f84294bc3e675d4b2c252c6f5

Aliases

arxiv: 1110.4788 · arxiv_version: 1110.4788v1 · doi: 10.48550/arxiv.1110.4788 · pith_short_12: PFNZ3QLE5JFO · pith_short_16: PFNZ3QLE5JFOBXIU · pith_short_8: PFNZ3QLE

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/PFNZ3QLE5JFOBXIUO4SES2MNQG \
  | 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: 795b9dc164ea4ae0dd14772449698d81bbebc66f84294bc3e675d4b2c252c6f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237deb7e2b12cd9ba03ff044f42a53baa7f1dfabc06cd5c95fded39ae25a0681",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-18T19:28:07Z",
    "title_canon_sha256": "8246929329fa101e6f63db96330e608d41ebfe7fb967e96e4a89e3c6fefbd5fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4788",
    "kind": "arxiv",
    "version": 1
  }
}