Pith Number

pith:HXM2LO4T

pith:2017:HXM2LO4TVUQWYPXEX6E5QSFUJP

not attested not anchored not stored refs pending

Optical Coronagraphic Spectroscopy of AU Mic: Evidence of Time Variable Colors?

Aki Roberge, Alycia J. Weinberger, Eliot M. Malumuth, Jamie R. Lomax, Jessica K. Donaldson, John H. Debes, John P. Wisniewski

arxiv:1705.09291 v2 · 2017-05-25 · 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{HXM2LO4TVUQWYPXEX6E5QSFUJP}

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	2026-05-18T00:24:52.581027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dd9a5bb93ad216c3ee4bf89d848b44bff6d3a1ab80e8f441c15b771db1d238f

Aliases

arxiv: 1705.09291 · arxiv_version: 1705.09291v2 · doi: 10.48550/arxiv.1705.09291 · pith_short_12: HXM2LO4TVUQW · pith_short_16: HXM2LO4TVUQWYPXE · pith_short_8: HXM2LO4T

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/HXM2LO4TVUQWYPXEX6E5QSFUJP \
  | 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: 3dd9a5bb93ad216c3ee4bf89d848b44bff6d3a1ab80e8f441c15b771db1d238f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77768bb76cd893b4af305064118aebde3e8041e1428241219561af442b4b5de6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-25T18:00:00Z",
    "title_canon_sha256": "b1dc1ffc504dfe29a0a4dc42d69990a9f3bfe2f0e2648f00d78666227371807f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09291",
    "kind": "arxiv",
    "version": 2
  }
}