OpenTechnical

OT-2026-000090985

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000090985) never changes.

Identity and time

Publication numberOT-2026-000090985 · never reused
Internal UUID01a0ae9c-c011-7afd-bf42-6216ea8a238c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090985
StatusPUBLIC

Content hashes

Canonical textbc306f6eec9d6f6bbe2d1e9cd9befaf80fdd001ff0347742ca5c8c1b59156a6a
Markdown94ad5c9bac6889538f4562913978c56aeaf8bfe74826cbde8a439e7157ac56cc
PDF
Publication page04266f775714514755f46834af9faede8714b4e8eec849c5ddeebf0c989ce8ae
Manifestd4d0d5079da73a095736e1924358520c631faf88c92d8a6044df2f760acb000d

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
SignatureJeEfr8WdqqP7/KZ6xLYYVl/QtHTOc/CTtLj6Hrp8p7RHf2ZS4FUNzh4UhbzBP2Fji6Z8Gptq6ZmJCuqRHrrzAw==
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

2026-09-17T09:44:12.837769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090985
observed 04266f775714514755f46834af9faede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.820076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090985/manifest.json
observed d4d0d5079da73a095736e1924358520c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.801813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090985/publication.md
observed 94ad5c9bac6889538f4562913978c56a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.784658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090985/publication.txt
observed bc306f6eec9d6f6bbe2d1e9cd9befaf8...
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.