OpenTechnical

OT-2026-000078674

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000078674) never changes.

Identity and time

Publication numberOT-2026-000078674 · never reused
Internal UUID01a0ae95-ccbb-7238-883e-a152fe430e5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078674
StatusPUBLIC

Content hashes

Canonical text28bf074be8ef08dbaafb6323305a4b442ff3e376f72836cc0f0ba3cd97410d2b
Markdownfee18617e5cc73433c9d7125ef05734b4440831312afc7dfa655e05d0f9134aa
PDF
Publication page31c6dab6fdc1eb68c6c1842b6be72551d4a9cb82d8f16f7b7f4600930eb66707
Manifesta0961ec48715556dd08349ccf5e5393556a1a3d82234267e12b30a277e0e2fe2

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
SignaturepcI1FACRt+eYEZX1j1UZVmVoqJdNd8LOlBMCUI1LFB+LTto7Eo0oUT993gB7J42yoGJtb1NT+OZx33+e2UwbBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:26.544657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078674
observed 31c6dab6fdc1eb68c6c1842b6be72551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.527276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078674/manifest.json
observed a0961ec48715556dd08349ccf5e53935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.510031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078674/publication.md
observed fee18617e5cc73433c9d7125ef05734b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.493724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078674/publication.txt
observed 28bf074be8ef08dbaafb6323305a4b44...
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.