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 SAN PEDRO, LAGUNA Award a ₱9.4M contract to MEGA M BUILDERSCities
Transaction hash:
17638d404e6bbbb0bc952645aafaf30b2d97a6522ba1cb3d336e0191aec09564
Status:
Included and unchanged
Block:
#3,288 2,725 blocks after it
Position in block:
Transaction 148 of 1,412
Award day:
Dec 28, 2017 (8 yrs 10 mo ago)
Value:
₱9,362,161.17
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 #3,288 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 SAN PEDRO, LAGUNA awarded it to MEGA M BUILDERS on 2017-12-28.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 San Pedro gave a "unmodified" 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 17638d404e…c09564now …
- 2. Block Merkle root changedstored 64613355b9…bb9921now …
- 3. Block #3288 hash changedstored 3cb6d0a1d5…43ac58now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,411 records. Each step hashes the current value together with the sibling shown.
- leaf 17638d404e6bbbb0bc952645aafaf30b2d97a6522ba1cb3d336e0191aec09564
- 01 R 1768dd3a9b02775f9ed117a59c38a139f800df4e8f62ad1ff3a2f95cec275577
- 02 R 4ee643866bec28d798e59ecf7b3b17f2d74a064a28978089eab64b54391cf042
- 03 L d18cf8823116b8cf49f4ae495c98544ae3f681d06dddacaddc391d2513541c33
- 04 R 27ce358ec19429e8cbe29ab8da157b60fbc163712c4f5033b31cc8c0d5e9781a
- 05 L 7d50f449f5aa58c5479522aca6ba6f2011ab7b55841d85b0548ad03d17fb4a77
- 06 R a03711724b54d2decf198a0d9854bce0951537d9ec374411121eef78271b9ca0
- 07 R e72e1d160e388f6eb90681eb50c9fbdd8aec7498f4795c7a2da98d8aa6f334f7
- 08 L ea3893ade038e74fc71894713b96d965b52b50f597791899aa5467f37c4a4390
- 09 R 7a9662e7f88150232838650b6d252dd7157f97adada3f5aa4594d14e29483951
- 10 R 225394003984aa21d5131b6773da19693a18d5f99712d52f1208f84732999133
- 11 R 2ef4508f70651af07ad638e450db23cc4fbf801a34a6d7c08089ba1d7e004443
- root 64613355b977568d1084de9163c534dedc8c83edeb4ca2352846127023bb9921