Pith Number

pith:536VVRY6

pith:2011:536VVRY6FZWGWE2Z647KXJHJFK

not attested not anchored not stored refs pending

Spectral Analysis within the Virtual Observatory: The GAVO Service TheoSSA

Ellen Ringat

arxiv:1111.0546 v1 · 2011-11-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{536VVRY6FZWGWE2Z647KXJHJFK}

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	2026-05-18T04:09:44.714907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eefd5ac71e2e6c6b1359f73eaba4e92aa67161895df4d926d388cfe611a85b1c

Aliases

arxiv: 1111.0546 · arxiv_version: 1111.0546v1 · doi: 10.48550/arxiv.1111.0546 · pith_short_12: 536VVRY6FZWG · pith_short_16: 536VVRY6FZWGWE2Z · pith_short_8: 536VVRY6

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/536VVRY6FZWGWE2Z647KXJHJFK \
  | 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: eefd5ac71e2e6c6b1359f73eaba4e92aa67161895df4d926d388cfe611a85b1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e71cac8640b3342e3c45d3aa7006282b2df531aa9fb38d6b93baca4e9da23f59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-02T15:56:11Z",
    "title_canon_sha256": "b1d4cc77dc772c2aa6e29d126cb7f665ce081e4341b8c97ece16dc7a0c375bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0546",
    "kind": "arxiv",
    "version": 1
  }
}