Pith Number

pith:YTZR3ZCM

pith:2009:YTZR3ZCMLHLSWRZR7GBZUQ66TH

not attested not anchored not stored refs pending

Extreme faint flux imaging with an EMCCD

Charles-Anthony Fortin, Christian Guillaume, Claude Carignan, Jean-Luc Gach, Olivier Daigle, Sebastien Blais-Ouellette, Simon Lessard

arxiv:0908.0528 v1 · 2009-08-05 · 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{YTZR3ZCMLHLSWRZR7GBZUQ66TH}

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	2026-05-18T02:12:44.713860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f31de44c59d72b4731f9839a43de99ffc9cb1bdb1db93f2a9094a1ca6a3cdb

Aliases

arxiv: 0908.0528 · arxiv_version: 0908.0528v1 · doi: 10.48550/arxiv.0908.0528 · pith_short_12: YTZR3ZCMLHLS · pith_short_16: YTZR3ZCMLHLSWRZR · pith_short_8: YTZR3ZCM

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/YTZR3ZCMLHLSWRZR7GBZUQ66TH \
  | 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: c4f31de44c59d72b4731f9839a43de99ffc9cb1bdb1db93f2a9094a1ca6a3cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3371afe1148e1e4d453f206f999ad09ccab0ce506cc66f64642a7dbbdd24c6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-08-05T12:44:12Z",
    "title_canon_sha256": "8b85f85f1c80cd25f20f08aff2b8978524c8766ebee94cf2466aa565d197e39d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0528",
    "kind": "arxiv",
    "version": 1
  }
}