OpenTechnical

OT-2026-000036220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000036220) never changes.

Identity and time

Publication numberOT-2026-000036220 · never reused
Internal UUID01a0ae77-01cf-72ef-a90a-18d464c90de1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036220
StatusPUBLIC

Content hashes

Canonical text0cae5de743d4b3f450c6738ebfd459b9f2e26f3a4385820f5cd5fc17beeba642
Markdownd495f111437ef2a9235e22fffc88f3f0f83c6b5e29a0d92f0297828cbc6622f6
PDF
Publication page1d48f4afa34cf77f24b776a63203d55407e0246ba36c42982eed6ab9ca52e3b3
Manifest0acc271a9f1fb338f49fc3db60c200cb080d9a809aac264f366ee493df64eed5

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
SignaturedE31IphDBi/csbqpv33MYTLjdzL6EKbCUiEWUbbXd3qmxh53VJJvopDuVKgcz0KmDoGrOlbF3xrI8k0jxbWnDA==
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

2026-09-17T11:26:28.025638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036220
observed 1d48f4afa34cf77f24b776a63203d554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.007193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036220/manifest.json
observed 0acc271a9f1fb338f49fc3db60c200cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:27.988983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036220/publication.md
observed d495f111437ef2a9235e22fffc88f3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:27.971219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036220/publication.txt
observed 0cae5de743d4b3f450c6738ebfd459b9...
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.