OpenTechnical

OT-2026-000038153

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000038153) never changes.

Identity and time

Publication numberOT-2026-000038153 · never reused
Internal UUID01a0ae77-f88c-7a11-8056-f0491911bc96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038153
StatusPUBLIC

Content hashes

Canonical text8fe3724565c5867b112ac9f786c38b8546c034d228a8fa7d353b2c57dbe50b1b
Markdown831b5a8b050ce6455b6e8635bc99fa016fa98a5e826c49be9840932b955f4639
PDF
Publication page3d0934d59697e76cd3e03bda812bf96a9c4e4ca145e6e15e169de1e30a6811cc
Manifest01bc82c17a32fce94666002f81fb1f9847a1846ce3312c81c97c8738e87244f6

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
SignatureA2Go1pOXjl1haFz5Lh6g6/Y0xwoWqxTTU+E0+VAkX/V+M3ms2wgkAsvXgjO/rxktl7UibyIegHdkJsujuyw/CQ==
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

2026-09-17T11:23:30.201336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038153
observed 3d0934d59697e76cd3e03bda812bf96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.182775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038153/manifest.json
observed 01bc82c17a32fce94666002f81fb1f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.163867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038153/publication.md
observed 831b5a8b050ce6455b6e8635bc99fa01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.144468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038153/publication.txt
observed 8fe3724565c5867b112ac9f786c38b85...
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.