Pith Number

pith:P7FFBUAA

pith:2011:P7FFBUAAG72LVPYP2FDJGG4WZ5

not attested not anchored not stored refs pending

High angular resolution imaging with stellar intensity interferometry using air Cherenkov telescope arrays

David Kieda, Paul D. Nunez, Richard Holmes, Stephan LeBohec

arxiv:1108.4682 v1 · 2011-08-23 · 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{P7FFBUAAG72LVPYP2FDJGG4WZ5}

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	2026-05-18T02:00:49.088104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fca50d00037f4babf0fd146931b96cf660bab144ea3f6eceb02b17f3616197e

Aliases

arxiv: 1108.4682 · arxiv_version: 1108.4682v1 · doi: 10.48550/arxiv.1108.4682 · pith_short_12: P7FFBUAAG72L · pith_short_16: P7FFBUAAG72LVPYP · pith_short_8: P7FFBUAA

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/P7FFBUAAG72LVPYP2FDJGG4WZ5 \
  | 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: 7fca50d00037f4babf0fd146931b96cf660bab144ea3f6eceb02b17f3616197e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2118dec875eeb73bf8fbd045611b8ebb94b1957f68469fee7e9c4e953d1eeb8c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-23T19:47:16Z",
    "title_canon_sha256": "521bc9184507f9de402af2057f5620aa19e43da38ddf6a92e284b29b96757db8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4682",
    "kind": "arxiv",
    "version": 1
  }
}