OpenTechnical

OT-2026-000068202

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068202) never changes.

Identity and time

Publication numberOT-2026-000068202 · never reused
Internal UUID01a0ae8f-c4ff-7783-bee2-de15f449ad72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068202
StatusPUBLIC

Content hashes

Canonical textd6440f4c026bf78bda3465500aa4b3fc060ef29cd9731efb97171ec6028a9ed0
Markdownb46de3c5f15ba1d19678f106d29be41669c74e0e91462e6b23cf7744e51d53ed
PDF
Publication pageb3b9405a4e48e94ab96ace564a1dba309ab05ae7f1422b9d04307ff51c27cd9c
Manifest321bff7f956d740caf6fded472cc63c78c164f414f2d67bb739b5fd18492cca6

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
SignaturetZkTZhWllClDcc34470SCqrLA5+GR3fpjYALEiQ8lDDlzwAC3oaX8XD2ju4DdmwWFZWuZO80Wfa325xVqBbMBQ==
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

2026-09-17T10:30:51.821861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068202
observed b3b9405a4e48e94ab96ace564a1dba30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.803991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068202/manifest.json
observed 321bff7f956d740caf6fded472cc63c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.786634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068202/publication.md
observed b46de3c5f15ba1d19678f106d29be416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.769609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068202/publication.txt
observed d6440f4c026bf78bda3465500aa4b3fc...
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.