OpenTechnical

OT-2026-000054667

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000054667) never changes.

Identity and time

Publication numberOT-2026-000054667 · never reused
Internal UUID01a0ae86-1284-7bf5-ae1d-443fc9ce2eb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054667
StatusPUBLIC

Content hashes

Canonical text7e2623a4541267883423029b549e9d2f7de0ef3528d8de70853d6c4efac94abe
Markdown04ffb83b393b5d9baf415bc52a2d1cbb3495a4dc4d107f247b2f7b65583f8a43
PDF
Publication page74ebee1ec4e8bbbcac45bceff9b9e7fb014d4d261b413d3a671e2d9d0fdda8e1
Manifestf183be37ef72fe11fbf4cfa2f6b48451accd26c6661112bb84bdac7adec667ec

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
SignaturerfcQjPwvUdcBxJ9JY3cO5MSY39R6MrhJ15kdvvf+GlsHR8enD8dRYnwWAICCoUTwkC0Nc4FUtPB3oMkVOxFsDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:44.484559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054667
observed 74ebee1ec4e8bbbcac45bceff9b9e7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.466100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054667/manifest.json
observed f183be37ef72fe11fbf4cfa2f6b48451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.447139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054667/publication.md
observed 04ffb83b393b5d9baf415bc52a2d1cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.427030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054667/publication.txt
observed 7e2623a4541267883423029b549e9d2f...
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.