OpenTechnical

OT-2026-000078859

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078859) never changes.

Identity and time

Publication numberOT-2026-000078859 · never reused
Internal UUID01a0ae95-ccbd-74ea-bf9f-93680a5d7536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078859
StatusPUBLIC

Content hashes

Canonical text21ddd546bb9d07977f2b6a2820cc288011c868daa2ef828c9cf86015667061e0
Markdownef12521f229794121bdb223cc9f7b88322a14907024200fa0a609bd00c8465c3
PDF
Publication page74be41076a7ddb9fad08a0c06985648f9e0229ff1ebe28ea9b6f67ab6dad0fb1
Manifest31a9e9786fbf5e4909a55a3ab726bc16b3778cc428a29eb3364d7d6b47d5958f

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
SignaturerrFyt8S2Amp6fj73yWlI47JFSO/s+SWvaAYTarqON4CQamlU7xUoN3h5F5WQJmcYZGG65I7EChN09abCPnSWAQ==
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

2026-09-17T10:05:39.525332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078859
observed 74be41076a7ddb9fad08a0c06985648f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.508302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078859/manifest.json
observed 31a9e9786fbf5e4909a55a3ab726bc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.490978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078859/publication.md
observed ef12521f229794121bdb223cc9f7b883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.470691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078859/publication.txt
observed 21ddd546bb9d07977f2b6a2820cc2880...
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.