OpenTechnical

OT-2026-000086152

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086152) never changes.

Identity and time

Publication numberOT-2026-000086152 · never reused
Internal UUID01a0ae99-e82c-739f-8d8c-92a28ab4c998 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086152
StatusPUBLIC

Content hashes

Canonical textfce56790346ce79f37692ea41a749e5c34391fc1e26876bcdc8cc7bfed9868e1
Markdown4fbc197d91b169c02e761a9f3dee8e90dce81c9efd394181093caafc37da0d50
PDF
Publication page878d7e165e9780f04430fefa9cd2024a2eb2885054a4e53c40eddc493814bed5
Manifest25cf455d42e0492bf11174920c4f41de2e6dc6e49094ff0fee6305085b553af0

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
SignaturecgLeTSTMOXCK/OD3HZ6d/yubyvsAEfQlEMF5WoiadT5icXNk8KOgCi/d+wG/VrYzThYAN6SHhUv/vbUr8sDyCA==
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

2026-09-17T09:53:49.273673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086152
observed 878d7e165e9780f04430fefa9cd2024a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.255926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086152/manifest.json
observed 25cf455d42e0492bf11174920c4f41de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.239491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086152/publication.md
observed 4fbc197d91b169c02e761a9f3dee8e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.222473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086152/publication.txt
observed fce56790346ce79f37692ea41a749e5c...
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.