Pith Number

pith:AYY7Y52Z

pith:2015:AYY7Y52ZIHWRMOZ3DXB4ICPZSC

not attested not anchored not stored refs pending

Optical - Near Infrared Photometric Calibration of M-dwarf Metallicity and Its Application

Michael M. De Robertis, Neda Hejazi, Peter C. Dawson

arxiv:1502.07460 v1 · 2015-02-26 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYY7Y52ZIHWRMOZ3DXB4ICPZSC}

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	2026-05-18T01:40:54.335406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0631fc775941ed163b3b1dc3c409f990a443318caf5915652b7e8e7899d0f747

Aliases

arxiv: 1502.07460 · arxiv_version: 1502.07460v1 · doi: 10.48550/arxiv.1502.07460 · pith_short_12: AYY7Y52ZIHWR · pith_short_16: AYY7Y52ZIHWRMOZ3 · pith_short_8: AYY7Y52Z

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/AYY7Y52ZIHWRMOZ3DXB4ICPZSC \
  | 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: 0631fc775941ed163b3b1dc3c409f990a443318caf5915652b7e8e7899d0f747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac77b226d8f1e3a312a5c6287bbf853907e8a0b419b31f67e4e35807afe6419",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-26T07:26:57Z",
    "title_canon_sha256": "b593f87eb80ca614bbfdc815f269e56af0eb4aca9b6732d310e1a2e5e8d6a57e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07460",
    "kind": "arxiv",
    "version": 1
  }
}