Pith Number

pith:2UTMZZB5

pith:2018:2UTMZZB5IE4EPQHQAKWMGCR6NS

not attested not anchored not stored refs pending

Field tests for the ESPRESSO data analysis software

Christophe Lovis, Denis M\'egevand, Guido Cupani, Jonay I. Gonz\'alez-Hern\'andez, Paolo Di Marcantonio, S\'ergio Sousa, Stefano Cristiani, Valentina D'Odorico

arxiv:1808.04249 v1 · 2018-08-13 · 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{2UTMZZB5IE4EPQHQAKWMGCR6NS}

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	2026-05-18T00:08:18.480842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d526cce43d413847c0f002acc30a3e6ca05226c4ea431bbe1a1f5e194ddb6893

Aliases

arxiv: 1808.04249 · arxiv_version: 1808.04249v1 · doi: 10.48550/arxiv.1808.04249 · pith_short_12: 2UTMZZB5IE4E · pith_short_16: 2UTMZZB5IE4EPQHQ · pith_short_8: 2UTMZZB5

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/2UTMZZB5IE4EPQHQAKWMGCR6NS \
  | 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: d526cce43d413847c0f002acc30a3e6ca05226c4ea431bbe1a1f5e194ddb6893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d801e066d76f7fcac52d8f2ac39e7874139b129e1cff247acfcf71ea4fb79d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-13T14:14:43Z",
    "title_canon_sha256": "b55282f39a428edb9666d93f4fa0f6fb6e1776aa75a70776ddeadf48e113e7f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04249",
    "kind": "arxiv",
    "version": 1
  }
}