OpenTechnical

OT-2026-000084599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000084599) never changes.

Identity and time

Publication numberOT-2026-000084599 · never reused
Internal UUID01a0ae98-e25b-7e3c-82c9-20bd07785845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084599
StatusPUBLIC

Content hashes

Canonical text23d703cd738041242a235ca1cf8feb256ac1b15951704e329990577ebbd0702f
Markdownf3b8f589af2c0436c01d0a4dde5a934bfc2b10a1db2486b631b41f75199076f7
PDF
Publication page0dfb301a62ee14fdf709d15002071237abb02d2a056d7b8e6637fdfd0d827740
Manifestb390f51b58258a57164ec99080c38f6d0be74e0ccf7a2950cf1d6d8df4702e80

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
SignatureZ8Gq7t9dlCr0gPsVmmEs3PCZ2AcKUAUzp4ADwpRv+EfZZv1A3eliRsU6Q86tl/MM5WiSsdL7H3QOwJrVi3GHAg==
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

2026-09-17T09:55:30.302048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084599
observed 0dfb301a62ee14fdf709d15002071237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.285778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084599/manifest.json
observed b390f51b58258a57164ec99080c38f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.268262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084599/publication.md
observed f3b8f589af2c0436c01d0a4dde5a934b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.249429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084599/publication.txt
observed 23d703cd738041242a235ca1cf8feb25...
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.