Pith Number

pith:EA3F67UN

pith:2024:EA3F67UNM3KEYDEJFMVZK3HDTS

not attested not anchored not stored refs pending

Preservaci\'on de la memoria colectiva-cient\'ifica, en la astronom\'ia argentina, desde el Observatorio de La Plata

Lydia Cidale, M\'onica L\'opez, Natalia Soledad Meil\'an, Roberto Gamen, Romina Peralta Pascual, Yael Aidelman

arxiv:2409.20542 v1 · 2024-09-30 · 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{EA3F67UNM3KEYDEJFMVZK3HDTS}

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	2026-07-05T09:13:45.000505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20365f7e8d66d44c0c892b2b956ce39cbaadd4bf1f8f020802cf36dd45a82c5e

Aliases

arxiv: 2409.20542 · arxiv_version: 2409.20542v1 · doi: 10.48550/arxiv.2409.20542 · pith_short_12: EA3F67UNM3KE · pith_short_16: EA3F67UNM3KEYDEJ · pith_short_8: EA3F67UN

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/EA3F67UNM3KEYDEJFMVZK3HDTS \
  | 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: 20365f7e8d66d44c0c892b2b956ce39cbaadd4bf1f8f020802cf36dd45a82c5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcbe8927004626fe8653ad244ac87d9990f6f97755490c97b612d4fe9153d99",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-09-30T17:46:33Z",
    "title_canon_sha256": "b2f2741cab507630ae24cb27b67a7e08af4c9a1295c046bb8ed45116e35b18bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.20542",
    "kind": "arxiv",
    "version": 1
  }
}