Pith Number

pith:5QYTG6BQ

pith:2011:5QYTG6BQU5ECRUK3GCQTS6NAFO

not attested not anchored not stored refs pending

Moti e distanze angolari in cielo con telescopio e cronometro

Costantino Sigismondi

arxiv:1106.2830 v1 · 2011-06-14 · 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{5QYTG6BQU5ECRUK3GCQTS6NAFO}

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	2026-05-18T04:19:55.527782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec31337830a74828d15b30a13979a02b9a9d4c22962dda4d6a98cd3664b2a6a6

Aliases

arxiv: 1106.2830 · arxiv_version: 1106.2830v1 · doi: 10.48550/arxiv.1106.2830 · pith_short_12: 5QYTG6BQU5EC · pith_short_16: 5QYTG6BQU5ECRUK3 · pith_short_8: 5QYTG6BQ

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/5QYTG6BQU5ECRUK3GCQTS6NAFO \
  | 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: ec31337830a74828d15b30a13979a02b9a9d4c22962dda4d6a98cd3664b2a6a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a882b1711d29d2bb1ef69fcc9c6ef6554cbfa9041d57e3c10d515e2d71f8c286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-06-14T21:46:37Z",
    "title_canon_sha256": "1534d5104cc1bd21800becd1bde1bd5b77c19f509cd69ec84e5cb791c22fc852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2830",
    "kind": "arxiv",
    "version": 1
  }
}