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
JOHN HAY MANAGEMENT CORPORATION Award a ₱5.2M contract to V.R. GUEVARRA CONSTRUCTION & TRADINGNational agencies
Transaction hash:
2b4017dbb56ffdd0826eed210664e81a2b3c76a96d801e81fc90640b3e618964
Status:
Included and unchanged
Block:
#2,115 3,898 blocks after it
Position in block:
Transaction 25 of 134
Award day:
Jun 30, 2014 (12 yrs 4 mo ago)
Value:
₱5,159,958.50
Project:
Procurement of HMA
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 #2,115 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)JOHN HAY MANAGEMENT CORPORATION awarded it to V.R. GUEVARRA CONSTRUCTION & TRADING on 2014-06-30.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 2b4017dbb5…618964now …
- 2. Block Merkle root changedstored 6107208190…df6270now …
- 3. Block #2115 hash changedstored ffcd4ce577…7f5d48now …
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 133 records. Each step hashes the current value together with the sibling shown.
- leaf 2b4017dbb56ffdd0826eed210664e81a2b3c76a96d801e81fc90640b3e618964
- 01 L 2a34171c68d79a0e5e2d12b335b519908b06634f733447c7b9323a6478b8259a
- 02 R b1d14ce367f60b431eac0677883cc4f1bbc0dc27c5a421bad88944e3710a5004
- 03 R f71e7dafbf54c9abeb2eef3239263c3116a1cc8238ab485a9134a5a1f03abe80
- 04 L 113d2e24fde85a42f6b5331d3beeaa435e334a3e7873dd0d0ee1aaa616be50e7
- 05 L 1d9f00341a09dd3c2f53920e0cf483621253f92cee7d8c2cd4fe77e042ff74c2
- 06 R 7bddf645859ff923cf342b9b1e6ed2198418209ef3dd7ecb0de836e96bb50b6f
- 07 R 77ae9e90ea7bf968484848ff4df47c8d8d5fb022153f3af8fa098008f84df090
- 08 R 247b3d94d8ddc02643f45ea10e41c890b327d8369089247acf4b8eb1f1904f0f
- root 6107208190684f01af3e60f7ae0cc9c4f39534ac1e3ee888de597e32afdf6270