OpenTechnical

OT-2026-000003357

Publication integrity record

Vacuum 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-2026-000003357) never changes.

Identity and time

Publication numberOT-2026-000003357 · never reused
Internal UUID01a0a6b5-d064-7f24-967f-3dcc43d6b20a · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:15:28.356674Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003357
StatusPUBLIC

Content hashes

Canonical textad2fac33465b74605d3965372a60bca5a52a2eb88bebae8d265f433de136053b
Markdown92c9fffa1f5ac6704224530057da7e63fbe241a24ec5b0a1227f68bb8dfbae37
PDF
Publication page92ac782e0fc53fc3368cf25318ef951fbb89e70ded09a1043de0fa6d63877ac6
Manifest271b8e40bbd2b1ad843315d93f39681f011b715431392836ffe113d0c4df440d

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
Signaturei2beSnLiOHNBbCYGJNZwnFH//cq13hfzWzwC4uj3LRkSG1HYBvVklJNbQt/FljHR0u+8Cjtbu4EreS/JypbDCA==
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

2026-10-30T04:23:13.190093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357
observed 92ac782e0fc53fc3368cf25318ef951f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:13.176633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357/manifest.json
observed 271b8e40bbd2b1ad843315d93f39681f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:13.162880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357/publication.md
observed 92c9fffa1f5ac6704224530057da7e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:13.041849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357/publication.txt
observed ad2fac33465b74605d3965372a60bca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:20:05.841397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357
observed 92ac782e0fc53fc3368cf25318ef951f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:05.811684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357/manifest.json
observed 271b8e40bbd2b1ad843315d93f39681f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:05.673107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003357/publication.txt
observed ad2fac33465b74605d3965372a60bca5...
fetched by instance-3.rotem.ai from 127.0.0.1, 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