Pith Number

pith:EYAYM4X6

pith:2006:EYAYM4X6ET6QVVDZKNZIGLZITM

not attested not anchored not stored refs pending

Search for optical activity of SGR 1806-20

A. Biryukov, A. Pozanenko, G. Beskin, K. Hurley, L. Chmyreva, S. Karpov, V. Debur, V. Plokhotnichenko

arxiv:astro-ph/0611752 v1 · 2006-11-23 · 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{EYAYM4X6ET6QVVDZKNZIGLZITM}

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	2026-05-18T01:40:28.709883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26018672fe24fd0ad4795372832f289b0536ee57005bf99927d16958fe8bd4ae

Aliases

arxiv: astro-ph/0611752 · arxiv_version: astro-ph/0611752v1 · doi: 10.48550/arxiv.astro-ph/0611752 · pith_short_12: EYAYM4X6ET6Q · pith_short_16: EYAYM4X6ET6QVVDZ · pith_short_8: EYAYM4X6

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/EYAYM4X6ET6QVVDZKNZIGLZITM \
  | 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: 26018672fe24fd0ad4795372832f289b0536ee57005bf99927d16958fe8bd4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e486e08bea76cb333c68f82576cce39ee001e16e6c9f85fdf809b3a31621e62a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-23T21:54:59Z",
    "title_canon_sha256": "4ca1ee58c82d3475d641f2cf36265b7315fb4109b0490a1ba456f00df2739b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611752",
    "kind": "arxiv",
    "version": 1
  }
}