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
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱4.2M contract to PETT BUILDERSNational agencies
Transaction hash:
a81bcffd64e2aa6954fad3a5bf46dc5f973e1b1200a0f6b546c76beb44b3e092
Status:
Included and unchanged
Block:
#3,486 2,527 blocks after it
Position in block:
Transaction 159 of 230
Award day:
Jul 24, 2018 (8 yrs 3 mo ago)
Value:
₱4,168,896.41
Project:
Construction Projects
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 #3,486 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)METRO MANILA DEVELOPMENT AUTHORITY awarded it to PETT BUILDERS on 2018-07-24.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 a81bcffd64…b3e092now …
- 2. Block Merkle root changedstored b30ed96d07…693e90now …
- 3. Block #3486 hash changedstored c1eae98de1…adf36enow …
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 229 records. Each step hashes the current value together with the sibling shown.
- leaf a81bcffd64e2aa6954fad3a5bf46dc5f973e1b1200a0f6b546c76beb44b3e092
- 01 L a5ebf13d97abda25037845c23a89544626eeca8ff41d9d14749561f0cea0cff2
- 02 L a7c8bcd13da4178fcfa7951a911ac1ed0d7cac0aae360351332ce8933ec6e659
- 03 L 206ec200a200a1b8bbda26be43943e26506a508785579e6cb18e421db1ce986a
- 04 L a01e16c68eca21da032bfd3a45dea2e31878f5e6f5a83b9d0cb5d1159afc424d
- 05 L aee0d277b400c45a9743025b4fbf6566a8cc1db59b61fe65e5c1d57d33fb2399
- 06 R dca36ca601925af28a6ffdb232bff841d23eab6364a5b1b5fa5d388ac8b29a3a
- 07 R e346dfadd3e321754062bc13520b3b4e131cf912d3e2f41b4ed41b91006f86af
- 08 L d5b83dd14219f7973eefb3075de2d83c482d9cb9708de5dff8e84a0ae4cbca32
- root b30ed96d0711ba4f7abfefcb34e3a1d64ff8143ef8f96082d76d182985693e90