Pith Number

pith:SJTWRURR

pith:2008:SJTWRURRBP647SBXHUDSWZRSTB

not attested not anchored not stored refs pending

Reference-less detection, astrometry, and photometry of faint companions with adaptive optics

Julian C. Christou, Szymon Gladysz

arxiv:0805.1870 v3 · 2008-05-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJTWRURRBP647SBXHUDSWZRSTB}

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	2026-05-18T04:29:33.649280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926768d2310bfdcfc8373d072b6632984cafa9c22382073f1d15bde9cb718d13

Aliases

arxiv: 0805.1870 · arxiv_version: 0805.1870v3 · doi: 10.48550/arxiv.0805.1870 · pith_short_12: SJTWRURRBP64 · pith_short_16: SJTWRURRBP647SBX · pith_short_8: SJTWRURR

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/SJTWRURRBP647SBXHUDSWZRSTB \
  | 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: 926768d2310bfdcfc8373d072b6632984cafa9c22382073f1d15bde9cb718d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99dbbc739812d82348a45524f7dfffbb73931bbf8f5f9483bcedff2f53f08af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-13T15:26:25Z",
    "title_canon_sha256": "dfadce48d34b647f4ab4f152efc44749adb4c7a5bbbe6d11087a71ed71fe75b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1870",
    "kind": "arxiv",
    "version": 3
  }
}