OpenTechnical

OT-2026-000023158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000023158) never changes.

Identity and time

Publication numberOT-2026-000023158 · never reused
Internal UUID01a0ae70-7267-7292-b66c-dd26c82006c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023158
StatusPUBLIC

Content hashes

Canonical textf6581a2f1f66341589ff64975a0be930f8ac03c7951da9664f89a424d614b78c
Markdown22574dc772c55f580357b03eb36e18b6ddcb8af7d2c8e410b893d131b4729a2e
PDF
Publication page75ec60c6d7f8d690d6f7f97220fc117046c4324215ac5ab5690f94fee825d854
Manifest495e37701643d747b0756a6752c0401f0d27b0312e48171910876896cf5b669a

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
Signaturegr2joLWPIPWMJCV5MMOYahCrc12nPS2yKfpNhE2BDgwM5UffsYOZy9XQYF/QN1uq70ZauE8Hk+kGZ6iUkk17Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:51:05.824522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023158
observed 75ec60c6d7f8d690d6f7f97220fc1170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.807643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023158/manifest.json
observed 495e37701643d747b0756a6752c0401f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.787053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023158/publication.md
observed 22574dc772c55f580357b03eb36e18b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.768506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023158/publication.txt
observed f6581a2f1f66341589ff64975a0be930...
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.