OpenTechnical

OT-2026-000087598

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000087598) never changes.

Identity and time

Publication numberOT-2026-000087598 · never reused
Internal UUID01a0ae9a-cd53-731a-85a4-45e826c9ae78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087598
StatusPUBLIC

Content hashes

Canonical texta866bdb632da1af3da5bb38854961beef996304f51175410f2657e6598b7650c
Markdownd3008a21c83df34db535f7e71a91ce58301402473d62afc84330815c40aa88ae
PDF
Publication page0acc7e2e35671d61364a803e5168c51e081ff7218fc97e5a519ca37f2f47694a
Manifest433639d8082ae999c38e8d6ddc588a21a9338f0b62352b4aa7ae6516d0c81f81

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
SignaturekOsXTR0droQbMGctp5rDKVTeobits3PuowFqKFrbzF+oJkfkp3GEXcsciCCXkg8EU1iaELvBvyGpl6eIhyp9DA==
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

2026-09-17T09:51:02.175548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087598
observed 0acc7e2e35671d61364a803e5168c51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.160248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087598/manifest.json
observed 433639d8082ae999c38e8d6ddc588a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.143810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087598/publication.md
observed d3008a21c83df34db535f7e71a91ce58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.124692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087598/publication.txt
observed a866bdb632da1af3da5bb38854961bee...
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.