OpenTechnical

OT-2026-000001308

Publication integrity record

Dock leveler with shimless pivot boss

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-2026-000001308) never changes.

Identity and time

Publication numberOT-2026-000001308 · never reused
Internal UUID01a0a675-28cd-77bc-9a77-57283506ec4f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:04:51.150543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001308
StatusPUBLIC

Content hashes

Canonical text9e77e2689362f49ad74e2ba8deb85116c9e924ee349adb1012c5e958480e4e4f
Markdownea6200b3522da8f209283c9d209de95977e968724d1fe7e362d6c5e64abdcdd5
PDF
Publication page257957fad248e6364363c3618444ec3d9de2303d7384140c0b79083d01093514
Manifestf3e93bf4b7e2254b27a2539a39e981f7c32d36103860c515c83d532da924229d

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
SignatureWbTW4AnnE8/5HCv6JTh1YT0ueqIAwn475MVpUUnOpu15zgbISFsqOtyJpgkNCScKIZGe6EoTDAYG+lS2+cCsAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-30T20:41:59.426599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308
observed 257957fad248e6364363c3618444ec3d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:59.346765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308/manifest.json
observed f3e93bf4b7e2254b27a2539a39e981f7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:59.269365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308/publication.md
observed ea6200b3522da8f209283c9d209de959...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:59.028223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308/publication.txt
observed 9e77e2689362f49ad74e2ba8deb85116...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:47.803095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308
observed 257957fad248e6364363c3618444ec3d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:47.732144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308/manifest.json
observed f3e93bf4b7e2254b27a2539a39e981f7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:47.665938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308/publication.md
observed ea6200b3522da8f209283c9d209de959...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:47.544488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001308/publication.txt
observed 9e77e2689362f49ad74e2ba8deb85116...
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