OpenTechnical

OT-2026-000003323

Publication integrity record

Vacuum suction lifter

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003323) never changes.

Identity and time

Publication numberOT-2026-000003323 · never reused
Internal UUID01a0a6b0-5f46-7d26-9efd-4d7c08b8c5f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:09:31.718551Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003323
StatusPUBLIC

Content hashes

Canonical text5da4619fb384f795e966d1eef7564cf034463379b826fdc5863e977d328422de
Markdown9fd0fb43dfa9fddd3c7c993cba735c6a045653c1ad27228d7cb743500c376534
PDF
Publication pageec2f94d450983a1af5c44647eeb23655d75391359a1e896b012746f599426531
Manifest084815509db88f2f6e400a20750ca876461d62201af0adc5d9dba1a456a889d5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureYkMOtK3ltIqukjVulT4jlmaXntWaOwW+sydbw3ci1CcsEnkbYwqwhb/WT4wKZJEnKPActTEd9EM+O2ooToabAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-10-11T04:41:59.861574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323
observed ec2f94d450983a1af5c44647eeb23655...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:59.773849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323/manifest.json
observed 084815509db88f2f6e400a20750ca876...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:59.698158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323/publication.md
observed 9fd0fb43dfa9fddd3c7c993cba735c6a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:59.532385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323/publication.txt
observed 5da4619fb384f795e966d1eef7564cf0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T16:41:29.407803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323
observed ec2f94d450983a1af5c44647eeb23655...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T16:41:29.358829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323/manifest.json
observed 084815509db88f2f6e400a20750ca876...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T16:41:29.309103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323/publication.md
observed 9fd0fb43dfa9fddd3c7c993cba735c6a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T16:41:29.168675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003323/publication.txt
observed 5da4619fb384f795e966d1eef7564cf0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent