Pith Number

pith:BL67XCAD

pith:2011:BL67XCAD5L6O2UGHSUMBGRXPN6

not attested not anchored not stored refs pending

Micro-pixel accuracy centroid displacement estimation and detector calibration

Bijan Nemati, Chengxing Zhai, Mike Shao, Renaud Goullioud

arxiv:1102.2248 v1 · 2011-02-10 · 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{BL67XCAD5L6O2UGHSUMBGRXPN6}

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	2026-05-18T02:03:12.322202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0afdfb8803eafced50c795181346ef6f99350c0499560d8dda35db06c3bca16b

Aliases

arxiv: 1102.2248 · arxiv_version: 1102.2248v1 · doi: 10.48550/arxiv.1102.2248 · pith_short_12: BL67XCAD5L6O · pith_short_16: BL67XCAD5L6O2UGH · pith_short_8: BL67XCAD

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/BL67XCAD5L6O2UGHSUMBGRXPN6 \
  | 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: 0afdfb8803eafced50c795181346ef6f99350c0499560d8dda35db06c3bca16b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66316d3897c8a88e3c17ae69a933f6da8dc1d3319889a67a96b27aa561b6be31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-02-10T22:00:24Z",
    "title_canon_sha256": "3b8a5bbbe438a6fc4f0535e7cad4c037250ecf51e17ea6aa66e181a244c48048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2248",
    "kind": "arxiv",
    "version": 1
  }
}