Pith Number

pith:NV3KLCQL

pith:2008:NV3KLCQLVDB3SADVYNNFOFTN3D

not attested not anchored not stored refs pending

Stellar tracers of the Cygnus Arm. II: A young open cluster in Cam OB3

Amparo Marco (Universidad de Alicante), Ignacio Negueruela

arxiv:0810.2560 v1 · 2008-10-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV3KLCQLVDB3SADVYNNFOFTN3D}

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	2026-05-18T04:26:01.609267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d76a58a0ba8c3b90075c35a57166dd8f43607e54202e50a25f47ff594997bcf

Aliases

arxiv: 0810.2560 · arxiv_version: 0810.2560v1 · doi: 10.48550/arxiv.0810.2560 · pith_short_12: NV3KLCQLVDB3 · pith_short_16: NV3KLCQLVDB3SADV · pith_short_8: NV3KLCQL

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/NV3KLCQLVDB3SADVYNNFOFTN3D \
  | 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: 6d76a58a0ba8c3b90075c35a57166dd8f43607e54202e50a25f47ff594997bcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce13c1432c6edd444838a4529af5a6d338dd47bfcd4d0bf0c6f662c1847af248",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-14T21:00:46Z",
    "title_canon_sha256": "cc80f5a137808d41abd9ed5b586b7a1dc6c93369c7716f9c1935c80dba7986d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2560",
    "kind": "arxiv",
    "version": 1
  }
}