Pith Number

pith:T4UDOHQS

pith:2021:T4UDOHQSVSPXW6QQRV2RL4KYOX

not attested not anchored not stored refs pending

New Mid-Infrared Imaging Constraints on Companions and Protoplanetary Disks around six Young Stars

Ch. Rab, D. Fedele, D. J. M. Petit dit de la Roche, E. Pantin, H. U. K\"aufl, I. Kamp, L. B. F. M. Waters, M. E. van den Ancker, M. Kasper, M. Kissler-Patig, N. Oberg, P. A. Miles-P\'aez, R.Siebenmorgen, R. van Boekel, S. P. Quanz, V. D.Ivanov

arxiv:2102.12506 v1 · 2021-02-24 · astro-ph.EP · 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{T4UDOHQSVSPXW6QQRV2RL4KYOX}

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	2026-07-05T02:33:51.445005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f28371e12ac9f7b7a108d7515f15875daa3af3872ba9a4c8fc1be866d4db8d8

Aliases

arxiv: 2102.12506 · arxiv_version: 2102.12506v1 · doi: 10.48550/arxiv.2102.12506 · pith_short_12: T4UDOHQSVSPX · pith_short_16: T4UDOHQSVSPXW6QQ · pith_short_8: T4UDOHQS

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/T4UDOHQSVSPXW6QQRV2RL4KYOX \
  | 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: 9f28371e12ac9f7b7a108d7515f15875daa3af3872ba9a4c8fc1be866d4db8d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797db282d7b4bc21946066e9a4d37f71403f567b90787767366f3b682fe93130",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-02-24T19:00:38Z",
    "title_canon_sha256": "089f53e528eba45ead760b3f02766e5d1729bd21b8a98950ed2909ca5cfa81f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12506",
    "kind": "arxiv",
    "version": 1
  }
}