Pith Number

pith:DYHXOIE5

pith:2016:DYHXOIE5HO5C57Z5F255CEL4IA

not attested not anchored not stored refs pending

IVOA Data Access Layer: Goals, Achievements and Current Trends

Douglas Tody (NRAO), Fran\c{c}ois Bonnarel, Keith Noddle (IFA), Patrick Dowler (CADC)

arxiv:1612.00299 v1 · 2016-12-01 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYHXOIE5HO5C57Z5F255CEL4IA}

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	2026-05-18T00:56:05.498189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0f77209d3bba2eff3d2ebbd1117c401c56bee46692f3af41cd456569f889bb

Aliases

arxiv: 1612.00299 · arxiv_version: 1612.00299v1 · doi: 10.48550/arxiv.1612.00299 · pith_short_12: DYHXOIE5HO5C · pith_short_16: DYHXOIE5HO5C57Z5 · pith_short_8: DYHXOIE5

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/DYHXOIE5HO5C57Z5F255CEL4IA \
  | 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: 1e0f77209d3bba2eff3d2ebbd1117c401c56bee46692f3af41cd456569f889bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a2f00c5f460b30a07d08ff0f48702a86bb6ba0911333fc9d7bab0caabb00df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-01T15:09:27Z",
    "title_canon_sha256": "620ac4e8d4034fbe8f8acd3e9bf182fbc4e14f1383d013355e4e36aaf6a0fdc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00299",
    "kind": "arxiv",
    "version": 1
  }
}