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 CITY SCHOOLS, MANILA Award a ₱1.9M contract to SHERF BUILDERS CORPORATIONNational agencies
Transaction hash:
41b33b38382e99bb7e7e1a2af43bfffa692e136e08c6e791de7e4b42ddd4fb1d
Status:
Included and unchanged
Block:
#3,387 2,626 blocks after it
Position in block:
Transaction 109 of 430
Award day:
Apr 11, 2018 (8 yrs 7 mo ago)
Value:
₱1,894,985.57
Project:
T. Yangco ES
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 #3,387 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 CITY SCHOOLS, MANILA awarded it to SHERF BUILDERS CORPORATION on 2018-04-11.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 41b33b3838…d4fb1dnow …
- 2. Block Merkle root changedstored 2e9046defe…0df7b7now …
- 3. Block #3387 hash changedstored fe5dfc4ade…3dbd52now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 429 records. Each step hashes the current value together with the sibling shown.
- leaf 41b33b38382e99bb7e7e1a2af43bfffa692e136e08c6e791de7e4b42ddd4fb1d
- 01 L 409d21ebe9b04ab0979f1928b914a8c347bd6ebc7322589147988376c80abe68
- 02 R 4fc44675785b6f33259cc29098032bff1c64feb59ec9c9954cb490b1d8a5702f
- 03 L c82519268ecfbb82e1a3f7d677066d8a274f507e8144a3c59898ab4a70f8d674
- 04 L fe41d821bacfecbedda55659e21ae32a177720fbeb9ed952f6c3881e5bcd56a5
- 05 R 758ae6ad7dfb95a1c35911f9e40fe15b7f5071ebfd204862dc014c971c11b988
- 06 L ed68a4598ec19dd11724fb0083e176ef9cd9dcfe0616025e5547a65fd3562372
- 07 L 7e08646df89e9a11201a36a33d2a178807be56f17bb8bc8d0f4dddca199e1f1a
- 08 R 3f3dae961b1c5aea6442810371397e4179eb5d40041ef16567093c379837e14d
- 09 R d1d1b2039437fc135db908b7f1e91a61ce5be6bd5be52478b8e5534e2c59b193
- root 2e9046defe644013778de1eb491806497f9c3f18a892fc84af63208ab10df7b7