DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF EDUCATION - REGION 3 Award a ₱4.1M contract to L.T. DE GUZMAN CONSTRUCTIONNational agencies
Transaction hash:
2bada7087e332ef2bb597d4630b9e970a96d017dd985f6a6bd1ac234d770341e
Status:
Included and unchanged
Block:
#2,146 3,867 blocks after it
Position in block:
Transaction 27 of 88
Award day:
Aug 5, 2014 (12 yrs 3 mo ago)
Value:
₱4,126,234.50
Project:
NUEVA ECIJA 4
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #2,146 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF EDUCATION - REGION 3 awarded it to L.T. DE GUZMAN CONSTRUCTION on 2014-08-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 2bada7087e…70341enow …
- 2. Block Merkle root changedstored 869507c522…ba3708now …
- 3. Block #2146 hash changedstored dd4b7134e8…2bf2eanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 87 records. Each step hashes the current value together with the sibling shown.
- leaf 2bada7087e332ef2bb597d4630b9e970a96d017dd985f6a6bd1ac234d770341e
- 01 L 296b2621c9fa4a1ca287abc5fa2fb40bbf3221a6d0e7da468f6ac8a4bbd0c66c
- 02 L 70ddf405d63f55f7c73c74d7cb8097851d3348fbe3e1cd2340f2168bd1fe5e06
- 03 R 5e4984d293f7226330c2bbb07a2665c909add1eff5058e4474a1e4d11403bdab
- 04 L c8b77d1037adb54d600897af2ea6edd394c2ce0104f2970ceaa3a9223ecd8e75
- 05 L 92078601f4b9bc27ea85dd23ed0137e0e15b36e14e799f3212209ef7d977e989
- 06 R 27058f3d3c1ffb9e08504e1d7657c085a173b037b26ed20fb589c7c025434f10
- 07 R 578b597f338f5c4842b02f95f0ac6d0db59afc62422c321eada67a1e3aea70b9
- root 869507c522a2109597f25daa310e25c6fdc2b280b9084c8cb257bb7c7bba3708