Pith Number

pith:UAVE4WAZ

pith:2008:UAVE4WAZM3HKIWXHO2UAI653H3

not attested not anchored not stored refs pending

A binary signature in the non-thermal radio-emitter Cyg OB2 #9

C. Barbieri (Univ. Padova), G. Rauw (IAGL, M. De Becker, ULg), Y. Naze

arxiv:0803.3176 v1 · 2008-03-21 · 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{UAVE4WAZM3HKIWXHO2UAI653H3}

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	2026-05-18T03:44:58.115258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a02a4e581966cea45ae776a8047bbb3ef4fa4d05024f58b402dd45d99136a4e4

Aliases

arxiv: 0803.3176 · arxiv_version: 0803.3176v1 · doi: 10.48550/arxiv.0803.3176 · pith_short_12: UAVE4WAZM3HK · pith_short_16: UAVE4WAZM3HKIWXH · pith_short_8: UAVE4WAZ

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/UAVE4WAZM3HKIWXHO2UAI653H3 \
  | 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: a02a4e581966cea45ae776a8047bbb3ef4fa4d05024f58b402dd45d99136a4e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2816875d9bd8443a75e0a906c68904de5e1e5a5d22a1a947dc198aff60f6fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-21T14:22:13Z",
    "title_canon_sha256": "a5093ff22db25838d9a1b6985b9286e6b3a4069f5ae66ad88883808e710bafe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3176",
    "kind": "arxiv",
    "version": 1
  }
}