OpenTechnical

OT-2026-000078959

Publication integrity record

Three 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-2026-000078959) never changes.

Identity and time

Publication numberOT-2026-000078959 · never reused
Internal UUID01a0ae95-ccbe-70e3-9792-8e9218bf0f98 · 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-2026-000078959
StatusPUBLIC

Content hashes

Canonical textc876ca139ea713874871a93148967314bd7cdab3527ad3c3363fa19cc620857b
Markdowne89e6de5a88edab355c78d16e73de216dc10f11703f4c33f6aeee80dcb921c0d
PDF
Publication pagefed7dce1d594db49e39fe093dcd4480940ee84883080c2e880da91a83cb9f944
Manifest147c2ffd9d827a50a9a132f71fea43c1a1e3acc5c923b15b3f4ede45d414eb67

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
Signaturecxen/ctodlsufokKYVbb2Qdyhdn+R/h8rwSyarFKEqlMEE+vtWU7ZeWxjrQUzlsYeIaGatV3nyWSpwyt5g7CBw==
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

2026-09-17T10:05:47.057952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078959
observed fed7dce1d594db49e39fe093dcd44809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.040660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078959/manifest.json
observed 147c2ffd9d827a50a9a132f71fea43c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.022176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078959/publication.md
observed e89e6de5a88edab355c78d16e73de216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.001273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078959/publication.txt
observed c876ca139ea713874871a93148967314...
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.