Pith Number

pith:ESNJIHSM

pith:2023:ESNJIHSMEI5FPPHHLFX5C6O63F

not attested not anchored not stored refs pending

Spectroscopic variability of massive pre-main-sequence stars in M17

A. de Koter, A.R. Derkink, F. Backs, J. Poorta, L. Kaper, M.C. Ram\'irez-Tannus, M.L. van Gelder

arxiv:2310.04287 v1 · 2023-10-06 · 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{ESNJIHSMEI5FPPHHLFX5C6O63F}

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	2026-07-05T06:58:01.106021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249a941e4c223a57bce7596fd179ded97cf5962b85068892e1edab4e8a340dfc

Aliases

arxiv: 2310.04287 · arxiv_version: 2310.04287v1 · doi: 10.48550/arxiv.2310.04287 · pith_short_12: ESNJIHSMEI5F · pith_short_16: ESNJIHSMEI5FPPHH · pith_short_8: ESNJIHSM

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/ESNJIHSMEI5FPPHHLFX5C6O63F \
  | 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: 249a941e4c223a57bce7596fd179ded97cf5962b85068892e1edab4e8a340dfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f12129d74904ee56dea70a0fe8777b22d3f243309d9276956302926df135d3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-10-06T14:38:47Z",
    "title_canon_sha256": "8016c2dd4bf7546fe40794ce4b59a9bca0047d1f323092c82e3c18df2ec7ebe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.04287",
    "kind": "arxiv",
    "version": 1
  }
}