Pith Number

pith:BHMDAH6K

pith:2010:BHMDAH6K3SSBOXVJNDA3WCZ7NC

not attested not anchored not stored refs pending

Speckle Suppression with the Project 1640 Integral Field Spectrograph

Antonin Bouchez, Ben R. Oppenheimer, Charles Beichman, David King, Douglas Brenner, Gautam Vasisht, Ian Parry, Jenny Roberts, Justin R. Crepp, Laurent Pueyo, Lewis C. Roberts Jr., Lynne Hillenbrand, Mike Shao, Neil Zimmerman, Remi Soummer, Richard Dekany, Rick Burruss, Sasha Hinkley

arxiv:1012.4016 v1 · 2010-12-17 · astro-ph.IM · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHMDAH6K3SSBOXVJNDA3WCZ7NC}

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	2026-05-18T02:04:22.640286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09d8301fcadca4175ea968c1bb0b3f68978ef916ff863a795430d14cbd67920f

Aliases

arxiv: 1012.4016 · arxiv_version: 1012.4016v1 · doi: 10.48550/arxiv.1012.4016 · pith_short_12: BHMDAH6K3SSB · pith_short_16: BHMDAH6K3SSBOXVJ · pith_short_8: BHMDAH6K

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/BHMDAH6K3SSBOXVJNDA3WCZ7NC \
  | 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: 09d8301fcadca4175ea968c1bb0b3f68978ef916ff863a795430d14cbd67920f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "303a354d02615efc5a3e1bbb948fb42d6b1ce662e74825e8b3a745e83e7c6e15",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-17T21:00:28Z",
    "title_canon_sha256": "065fd513d31142fc631e9be885b0ef8537ab98f041173e3a330fec71f998dfc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4016",
    "kind": "arxiv",
    "version": 1
  }
}