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
CITY OF ANGELES, PAMPANGA Award a ₱3.0M contract to E.T CASTRO CONSTRUCTION AND SUPPLIESCities
Transaction hash:
49e605ff7fdf92a0ebff1ef7afcd6247393e4c1e62f8a00a4925f4497912b233
Status:
Included and unchanged
Block:
#3,721 2,292 blocks after it
Position in block:
Transaction 117 of 404
Award day:
Mar 28, 2019 (7 yrs 7 mo ago)
Value:
₱2,993,481.42
Project:
Road Shoulders
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 #3,721 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)CITY OF ANGELES, PAMPANGA awarded it to E.T CASTRO CONSTRUCTION AND SUPPLIES on 2019-03-28.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)COA's CY2024 audit of City of Angeles gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 49e605ff7f…12b233now …
- 2. Block Merkle root changedstored 311cf3e56d…244343now …
- 3. Block #3721 hash changedstored 03286bf48f…ba974fnow …
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 403 records. Each step hashes the current value together with the sibling shown.
- leaf 49e605ff7fdf92a0ebff1ef7afcd6247393e4c1e62f8a00a4925f4497912b233
- 01 L 49398700175b790fd90b9281baaf2641bce6e4660aa7607cd2241a2231f7155f
- 02 R cf2bdf2b981af8f8f108813ec2ddc3329fe9c89dc6d87002c9ae2107ccfb3a50
- 03 L 4cd9924bc00730763b1842fde93c607493800a238c15ac69d8ec9dfaabca77f6
- 04 R 41e45d281f39e3ae3baeedf1b7986daea62858c92c964b488a91f7c9de602998
- 05 L 120873025fd41a77a28368dabb0c30b662b26597d6469fd77aa1a74394736ba2
- 06 L 6fd85d2fc74fe46a791f74284a40be5548eb9dc04db8a73797827cb82323ced6
- 07 L d801791efecd23aaf2a8709efda828e353cfb8b0dee66df61d40d7da0e9a56d1
- 08 R 833c343d0b4284a53afc34d458b7a05b3cd806b02bc8432a50cc3120af3ccb44
- 09 R 891211e0ede5324b4c6fba7382796ea3a22c6f07283bdc5a0106dbbad3811935
- root 311cf3e56d5ca01022e4209ef10f5695c622da27b001ceb4588c73447f244343