OpenTechnical

OT-2026-000081915

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000081915) never changes.

Identity and time

Publication numberOT-2026-000081915 · never reused
Internal UUID01a0ae97-0f76-774a-87ca-4d2a9acfa447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081915
StatusPUBLIC

Content hashes

Canonical text3abdb75b06715dc7d81bcbdbd0dcc24edf5139b682a12bae1f23168127600d05
Markdowncb28a64d6d0dbc7675dd86305271d8669e72d3b3bcfde5467db6f8cd52cd0e14
PDF
Publication page02909140211734c512f3ef002751036b19c92ff2feda1cd1a04a9f2e454cb00e
Manifest350af0db75272afcb0d60db1e4b0df61710576deb9beda57946d9b788d865a0f

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
SignatureLnkmyCwc8idNoGSo9AugjykN+1GHtDqYC4vG1zZ9RCGnWerDb9/vXvOKD0zDLypd5IgC2jTgbB9RnVkTaITpBA==
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

2026-09-17T10:01:02.572934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081915
observed 02909140211734c512f3ef002751036b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.556959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081915/manifest.json
observed 350af0db75272afcb0d60db1e4b0df61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.538467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081915/publication.md
observed cb28a64d6d0dbc7675dd86305271d866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.521000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081915/publication.txt
observed 3abdb75b06715dc7d81bcbdbd0dcc24e...
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.