Pith Number

pith:QOFUA7E4

pith:2017:QOFUA7E4WFIFVKUBPEH3ILLN3N

not attested not anchored not stored refs pending

On the dependence of the speed of light in vacuum on temperature

Yu.M. Poluektov

arxiv:1706.01319 v2 · 2017-05-29 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOFUA7E4WFIFVKUBPEH3ILLN3N}

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	2026-05-18T00:15:30.720891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838b407c9cb1505aaa81790fb42d6ddb5da869194a1df60619aab3717f20bd35

Aliases

arxiv: 1706.01319 · arxiv_version: 1706.01319v2 · doi: 10.48550/arxiv.1706.01319 · pith_short_12: QOFUA7E4WFIF · pith_short_16: QOFUA7E4WFIFVKUB · pith_short_8: QOFUA7E4

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/QOFUA7E4WFIFVKUBPEH3ILLN3N \
  | 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: 838b407c9cb1505aaa81790fb42d6ddb5da869194a1df60619aab3717f20bd35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29da51194ab32ad42a945b8c32769d9867e280ba0a64c767074078c47e9f04b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2017-05-29T20:23:28Z",
    "title_canon_sha256": "24aaccf44c7a9745a5ae8dcad2c7ba743a37b66add2f54ad245d1fbd4baa3bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01319",
    "kind": "arxiv",
    "version": 2
  }
}