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
MUNICIPALITY OF ZAMBOANGUITA, NEGROS ORIENTAL Award a ₱406.0K contract to AY ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
8eda2e9a04de9bff15700dfdeec0c82948f49cf92534a6431a1da0e997bc1af4
Status:
Included and unchanged
Block:
#4,176 1,837 blocks after it
Position in block:
Transaction 100 of 177
Award day:
Jul 28, 2020 (6 yrs 3 mo ago)
Value:
₱406,022.40
Project:
Construction of Line Canal
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 #4,176 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)MUNICIPALITY OF ZAMBOANGUITA, NEGROS ORIENTAL awarded it to AY ENGINEERING & CONSTRUCTION on 2020-07-28.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)COA's CY2024 audit of Zamboanguita gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 8eda2e9a04…bc1af4now …
- 2. Block Merkle root changedstored 8abdce9357…32a997now …
- 3. Block #4176 hash changedstored 068707a01e…aa9c20now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 176 records. Each step hashes the current value together with the sibling shown.
- leaf 8eda2e9a04de9bff15700dfdeec0c82948f49cf92534a6431a1da0e997bc1af4
- 01 R 8f09f2362670e2c3b9f91af30cb63baab7b24afcd7a8e7ceaec033f1c93975fb
- 02 R 2c75d43f49ae340d6de4db1b4d677e7405fb06a39a49732d5d3c79084b4874d6
- 03 L 9c2a32f4f0b0b728e7b60f0dc21df82d7ae216a8f66fa901e879b9c79452df4f
- 04 R 92e68e58a033c8fca7786e4680a24a9b59664181b91c5ee790167c688b3cefc1
- 05 R 0424dafd9b4d291843fe21909ac86a57232e25afdd85c1d24f3e062fbf8efc82
- 06 L 321d4b10d3f27c09087b8194adee17897b017d6942d6fbab0812131020581ed6
- 07 L 800cb5109b657c0fde1254f17184f2fdc9447280872f028db902cc65ff329f9d
- 08 R f32055cba6dfbcf052d4c1174e04a0886cca8c2c57275dc3c18f10b3d603b7f4
- root 8abdce9357c1ff667c73fa0d4697baa475c1c4ffc76acf3d23768e644332a997