Pith Number

pith:A32YPZHW

pith:2020:A32YPZHWGUFBLGPORSGHC4RBE5

not attested not anchored not stored refs pending

NDRIO White Paper: Envisioning Digital Research Infrastructure for the Simons Observatory

Adam D. Hincks, Alexander van Engelen, Andrei Frolov, Erminia Calabrese, Jonathan Sievers, Jos\'e Tom\'as G\'alvez Ghersi, J. Richard Bond, Lyman A. Page, Mathew S. Madhavacheril, Matthew Johnson, Moritz M\"unchmeyer, Ren\'ee Hlo\v{z}ek, Simone Aiola, Suzanne T. Staggs

arxiv:2012.12205 v1 · 2020-12-22 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A32YPZHWGUFBLGPORSGHC4RBE5}

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	2026-07-05T02:01:25.980435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f587e4f6350a1599ee8c8c717221276824c1744058c4906f18c6ea4b4e75b1

Aliases

arxiv: 2012.12205 · arxiv_version: 2012.12205v1 · doi: 10.48550/arxiv.2012.12205 · pith_short_12: A32YPZHWGUFB · pith_short_16: A32YPZHWGUFBLGPO · pith_short_8: A32YPZHW

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/A32YPZHWGUFBLGPORSGHC4RBE5 \
  | 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: 06f587e4f6350a1599ee8c8c717221276824c1744058c4906f18c6ea4b4e75b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db5c86aeab751bbbf75e6d8ac3cd58b8500e7dd56556f7cf91b4b43d3f4176f8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-12-22T17:49:02Z",
    "title_canon_sha256": "3b85c2f8ee7911658def078f6d6fc1d79182c75eb8bab83ac289e46a615d2416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.12205",
    "kind": "arxiv",
    "version": 1
  }
}