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 ₱1.2M contract to P.M. MCCRANN CONST. & TRADINGCities
Transaction hash:
aae67ba41cdd282147a49dd5269e4aa283a696114d96b7d6df6d68be643f115b
Status:
Included and unchanged
Block:
#1,284 4,729 blocks after it
Position in block:
Transaction 44 of 63
Award day:
Nov 2, 2011 (15 yrs ago)
Value:
₱1,196,828.03
Project:
Barangay Ninoy Aquino, Angeles City
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 #1,284 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 P.M. MCCRANN CONST. & TRADING on 2011-11-02.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 aae67ba41c…3f115bnow …
- 2. Block Merkle root changedstored 4736bf1b7f…bbc0d7now …
- 3. Block #1284 hash changedstored 3e7bf1aa53…42f3ffnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.
- leaf aae67ba41cdd282147a49dd5269e4aa283a696114d96b7d6df6d68be643f115b
- 01 R ac9eeb5855a37aee5a8c53feec71246d95fd162810573f6fad6a2a6790a61894
- 02 R 843794921dbd6af47e3f9f4197b326916063029fbbf29954e2f2dab6d8cf947e
- 03 L adea9babb669e1aab113de65be9e748996962d69047191139d6c5f08b0284eb0
- 04 L feaaafec5bfbb8d7d4f7cf37073cd6120333f43ed9eb423884ed4360b08c5307
- 05 R ab8293ac40fb95c71b587dccff6cab71762ccf431a5af4dff54eda5ed991cd33
- 06 L 8e463cc49c7f8d045c202b21aa6052260b220a065843669de97972062343e700
- root 4736bf1b7fbc9ae83152c70b291f537c59a34350a91dc85773d76dcd87bbc0d7