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 - DIVISION OF DAVAO DEL SUR Award a ₱3.9M contract to CONSTRUCTORS' DEVELOPMENT MPCNational agencies
Transaction hash:
28eef231bc6e98d4c5bebf2effc3174250875961eb0f5a1d08f7dc3e8bb556e8
Status:
Included and unchanged
Block:
#1,155 4,858 blocks after it
Position in block:
Transaction 27 of 155
Award day:
May 31, 2011 (15 yrs 5 mo ago)
Value:
₱3,883,834.18
Project:
Construction of Various School Buildings
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 #1,155 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 - DIVISION OF DAVAO DEL SUR awarded it to CONSTRUCTORS' DEVELOPMENT MPC on 2011-05-31.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 28eef231bc…b556e8now …
- 2. Block Merkle root changedstored 207b19843e…d08de9now …
- 3. Block #1155 hash changedstored 891906773e…0ffcd8now …
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 154 records. Each step hashes the current value together with the sibling shown.
- leaf 28eef231bc6e98d4c5bebf2effc3174250875961eb0f5a1d08f7dc3e8bb556e8
- 01 L 278ad3ef86fe8b6eb91e62f20665020e6a3007aadc532c8f19ffab635fd73c63
- 02 L 6a2355d4e3d9921577c587ca95c24236982701ffb7464a0d2ec7bd4cee665c8d
- 03 R 4fe7661b2602f2e2ea05d4f9dde60869c1710bdc69a791bc5247edd1c45c34b7
- 04 L e1f0cc0f80218d89078b34f16e461b04f6be4216acffe8bd90caefa6819b9b8f
- 05 L 823e5efea6f965043a5cfddfe4cb2f6a97c0c18c74728991f3df2c63a6e28500
- 06 R 76d303df09e597b2243ed31cc7d1972323889e697a1d9428ca2782d7e288f79d
- 07 R cda3749c7498611dfe60359f487d6502b99cfb7c0bf9f4aa8c5fb22fbecec15b
- 08 R d6b26f341e05d206607ae73237382cfcc1f490888f9b2642f8c6204859ea9a96
- root 207b19843ee3fda72503c93d5e033bd406f68b88bc75c04ad0546eed61d08de9