Pith Number

pith:UPR7MUTN

pith:2011:UPR7MUTNNSQMB5HYKJ3VMTV2MQ

not attested not anchored not stored refs pending

Thermal characteristics of a classical solar telescope primary mirror

B. Ravindra, Ravinder K Banyal

arxiv:1102.0111 v1 · 2011-02-01 · astro-ph.IM · 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{UPR7MUTNNSQMB5HYKJ3VMTV2MQ}

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	2026-05-18T02:03:19.707723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e3f6526d6ca0c0f4f85277564eba642aea8062f87493de1bb99fd26151ed0b

Aliases

arxiv: 1102.0111 · arxiv_version: 1102.0111v1 · doi: 10.48550/arxiv.1102.0111 · pith_short_12: UPR7MUTNNSQM · pith_short_16: UPR7MUTNNSQMB5HY · pith_short_8: UPR7MUTN

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/UPR7MUTNNSQMB5HYKJ3VMTV2MQ \
  | 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: a3e3f6526d6ca0c0f4f85277564eba642aea8062f87493de1bb99fd26151ed0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50e42af1882fb8cfb1fe368b33bef928a359aaf3a5708d7df4d522ef70df900b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-02-01T09:52:07Z",
    "title_canon_sha256": "b90bae1e6088167967cbdaaa988d0abd89dd97a66378d4a3e803ff03c631b950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0111",
    "kind": "arxiv",
    "version": 1
  }
}