OpenTechnical

OT-2026-000079901

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000079901) never changes.

Identity and time

Publication numberOT-2026-000079901 · never reused
Internal UUID01a0ae96-4376-7028-b12d-c96cd16a9d59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079901
StatusPUBLIC

Content hashes

Canonical text7e2a04e82b0a81e38974aa186c877a86c34790a2c24f1e7ea24842705baf2ad6
Markdown3f28bd971f2cbf8f371ed3ff6192f62f498f91b4ed96b3a6409aa62d0f67cebe
PDF
Publication pagec4f35ae741ec3e303c7e145691a4583b747a7887977762e7855a49b78693caf6
Manifestdb60ce1810924ef3be88d851ada068effb8409c9770d1c8b7d20d8c5b6e4f8f7

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
Signature6ZIBVicQP3auqdMg4BYxzRHDlxit3j9YGcfkjJflbjkZrZ/AeY8ludIwi8rS1O3MUAQfXUrKscbgUTOoYN19Cg==
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

2026-09-17T10:03:47.864608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079901
observed c4f35ae741ec3e303c7e145691a4583b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.847362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079901/manifest.json
observed db60ce1810924ef3be88d851ada068ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.829536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079901/publication.md
observed 3f28bd971f2cbf8f371ed3ff6192f62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.811415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079901/publication.txt
observed 7e2a04e82b0a81e38974aa186c877a86...
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.