OpenTechnical

OT-2026-000054386

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000054386) never changes.

Identity and time

Publication numberOT-2026-000054386 · never reused
Internal UUID01a0ae85-b3aa-795f-ae94-ffef116f6dfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054386
StatusPUBLIC

Content hashes

Canonical textb255479b4f6c1013d0d36d831e2eac83d92bc3c9669b15a8e9308331147db9de
Markdown0e5288d642abde3b52f0bb3631db1805e9323fd1babb6e9a908a8db5454fd788
PDF
Publication page9b5a6047dddeb5d39ab7fa7f210a5befb23368f83a6c287c2cc07f2d65dac01f
Manifest17a37a3fb261a48dd1cf77196d061bb5d166d1e32b5f918ff8d0b93404e9b5cd

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
SignaturehmyLULwqeXtmf8WQh4S/XXkXb3MYzh8Uy70JKzzIE2LmjycHilaZhopY7z3uPL9+PHp3MhW5ttUELNiK2+hpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:55.359871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054386
observed 9b5a6047dddeb5d39ab7fa7f210a5bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.341268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054386/manifest.json
observed 17a37a3fb261a48dd1cf77196d061bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.324984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054386/publication.md
observed 0e5288d642abde3b52f0bb3631db1805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.306844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054386/publication.txt
observed b255479b4f6c1013d0d36d831e2eac83...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.