OpenTechnical

OT-2026-000034349

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000034349) never changes.

Identity and time

Publication numberOT-2026-000034349 · never reused
Internal UUID01a0ae75-df0e-7671-b95a-2678b68cd137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034349
StatusPUBLIC

Content hashes

Canonical text5351d372e914d639d0588efa55c518ad720eabbc0741d4071e2b6d364a2c6421
Markdown41fd9d84497069128dd644c3e58b057471b74ac1ae3c08e9eba89354afc4d973
PDF
Publication pageb4fa2d24e713a7d6913c58ffca1e5924570f5febb0466f22702a84c876f380a7
Manifest3b8195aa82eb445829f9985dbeab176fb6ec7564c62d69e5df36131c1cef8621

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
Signature3903iPbbKUk5dwv/rNEWd0o8Ecu53H7PGdx1plMn4RMpnfpZ1MxApIhBYfzmSdrwRYq10NnJJk9YVk4x8+0NAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:03.007544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034349
observed b4fa2d24e713a7d6913c58ffca1e5924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.989142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034349/manifest.json
observed 3b8195aa82eb445829f9985dbeab176f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.971693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034349/publication.md
observed 41fd9d84497069128dd644c3e58b0574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.952554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034349/publication.txt
observed 5351d372e914d639d0588efa55c518ad...
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.