Pith Number

pith:2SDOJCEM

pith:2018:2SDOJCEMQ4UEZPYZVTKCSFMMCC

not attested not anchored not stored refs pending

First results from the HAYSTAC axion search

Benjamin M. Brubaker

arxiv:1801.00835 v1 · 2018-01-02 · astro-ph.CO · hep-ex · hep-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SDOJCEMQ4UEZPYZVTKCSFMMCC}

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	2026-05-18T00:26:48.647833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d486e4888c87284cbf19acd429158c10b20de0564bd36271b054a07f8f3826c3

Aliases

arxiv: 1801.00835 · arxiv_version: 1801.00835v1 · doi: 10.48550/arxiv.1801.00835 · pith_short_12: 2SDOJCEMQ4UE · pith_short_16: 2SDOJCEMQ4UEZPYZ · pith_short_8: 2SDOJCEM

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/2SDOJCEMQ4UEZPYZVTKCSFMMCC \
  | 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: d486e4888c87284cbf19acd429158c10b20de0564bd36271b054a07f8f3826c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11454aa806bddd6f191cd0e6d2aad87b72262db94d7f7a4a264b605897e9e57c",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-02T21:00:14Z",
    "title_canon_sha256": "9c4cedb6853c7489c2b98fc7ebfc7e679cd4e2c8a0a956f8ec83bb639d616b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00835",
    "kind": "arxiv",
    "version": 1
  }
}