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 PUBLIC WORKS AND HIGHWAYS - CAGAYAN 1ST DEO Award a ₱19.0M contract to P.E.R.R.C. CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
4fdeaf05c22df2b284cd6660b694519714cd5a200ee033ebc8fee23df00c055d
Status:
Included and unchanged
Block:
#4,275 1,738 blocks after it
Position in block:
Transaction 74 of 208
Award day:
Nov 9, 2020 (6 yrs ago)
Value:
₱18,990,534.70
Project:
20BB0084 - Local Program – Flood Control and Dra
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 #4,275 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 PUBLIC WORKS AND HIGHWAYS - CAGAYAN 1ST DEO awarded it to P.E.R.R.C. CONSTRUCTION & DEVELOPMENT CORPORATION on 2020-11-09.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 4fdeaf05c2…0c055dnow …
- 2. Block Merkle root changedstored 6ac1afa931…9e921anow …
- 3. Block #4275 hash changedstored 8746975388…03fbf5now …
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 207 records. Each step hashes the current value together with the sibling shown.
- leaf 4fdeaf05c22df2b284cd6660b694519714cd5a200ee033ebc8fee23df00c055d
- 01 R 56058c0bc1f2e8acc95c16dc7ab37b548f8bfd58316c7bf1abf1601c14211df6
- 02 L 4b67e75953a68b0ca34f3336616eb27585744553af567b29525b144fbd28fd66
- 03 R 1ff292cd58cf7f9f5b874755356ef0b275841018ed3f1a24975a02480adf1498
- 04 L 5347b723499f28013f741593c4db7eaa932fe7b26402ceac62f4221bfc719e13
- 05 R 4dd29843a89b18fb4c424a727bffbb466c1cb649976a9e5da6626b4dd447375b
- 06 R def400afb7a7d54bcfd9d96bec4e26e7ec7a1d66942a56639f477cf46a71f2e4
- 07 L 833313473ccef4d167733e605e8f41ad09e7cb1fbef9b9cc78721c5e42bc2a53
- 08 R 5a540b34023fde006a30c0ebba4980338086813d6460e90ea17ce94f6c01bd74
- root 6ac1afa931555693b3b309f33ecc4069080e2bb8babb1c90ace198e19b9e921a