Pith Number

pith:UTKTZXCM

pith:2021:UTKTZXCMRVLUZKB2DJ2KDAVOON

not attested not anchored not stored refs pending

Infrared Echoes of Optical Tidal Disruption Events: ~1% Dust Covering Factor or Less at sub-parsec Scale

Liming Dou, Lin Xiao, Luming Sun, Ning Jiang, Tinggui Wang, Xueyang Hu

arxiv:2102.08044 v1 · 2021-02-16 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTKTZXCMRVLUZKB2DJ2KDAVOON}

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	2026-07-05T02:33:29.105598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d53cdc4c8d574ca83a1a74a182ae734a1bf0a29ba3720abe532b0577ad73e5

Aliases

arxiv: 2102.08044 · arxiv_version: 2102.08044v1 · doi: 10.48550/arxiv.2102.08044 · pith_short_12: UTKTZXCMRVLU · pith_short_16: UTKTZXCMRVLUZKB2 · pith_short_8: UTKTZXCM

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/UTKTZXCMRVLUZKB2DJ2KDAVOON \
  | 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: a4d53cdc4c8d574ca83a1a74a182ae734a1bf0a29ba3720abe532b0577ad73e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e67cb683d9b057c9fe4ca12b2a37edb90217fed79044ce08ae7baa0e56614d8e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-16T09:43:41Z",
    "title_canon_sha256": "722a124c8c73d3c1092ae59096dbaf54d196c16ebdd4225233faa1b5f1be88f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08044",
    "kind": "arxiv",
    "version": 1
  }
}