Pith Number

pith:M3WPQFH4

pith:2020:M3WPQFH42HWZNNO4UHF4YZFHO7

not attested not anchored not stored refs pending

A census of young stellar population associated with the Herbig Be star HD 200775

Blesson Mathew, Ekta Sharma, Kamath U. S., Lee C. W, Maheswar G., Manoj P., Piyali Saha

arxiv:2005.00519 v1 · 2020-05-01 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3WPQFH42HWZNNO4UHF4YZFHO7}

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	2026-07-05T00:59:41.649412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66ecf814fcd1ed96b5dca1cbcc64a777f3df0f16aa03fbcf0aef00efd5453ba1

Aliases

arxiv: 2005.00519 · arxiv_version: 2005.00519v1 · doi: 10.48550/arxiv.2005.00519 · pith_short_12: M3WPQFH42HWZ · pith_short_16: M3WPQFH42HWZNNO4 · pith_short_8: M3WPQFH4

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/M3WPQFH42HWZNNO4UHF4YZFHO7 \
  | 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: 66ecf814fcd1ed96b5dca1cbcc64a777f3df0f16aa03fbcf0aef00efd5453ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb97aa2d3b321fc399c7e4ef5856254312f9ea186c202e96a3175a72f5a6ea7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-01T17:48:36Z",
    "title_canon_sha256": "389a3a2406305be66da26a76bc10ed18c8e493b9410eeb3696c7a531d4f858f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.00519",
    "kind": "arxiv",
    "version": 1
  }
}