OpenTechnical

OT-2026-000085958

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000085958) never changes.

Identity and time

Publication numberOT-2026-000085958 · never reused
Internal UUID01a0ae99-e82a-7c74-8d11-06798625e9a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085958
StatusPUBLIC

Content hashes

Canonical textcac30344860a04c0b47dae072867a371f1bd0a2fbc9a124e136e89ce73636af1
Markdown5f4c51f35f113e72584db33f093d19663cd9bf142075d600d688bc6756f56e39
PDF
Publication paged01645726d105d7dd5940afa5cd636b49e11c0c615b63fac598cd049eb83ead9
Manifest17708c6db7e31787c34add14f1b3e153ca48c0c092296e2f7f09c178251f4bb3

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
SignatureVxvmFgtzU0k27ziqUVZnnZGsHnrzFlyFtasZ0AiksbUcCmA7Lmk7PJM9va4sFkvFXu26m12GuHCjDnW4GAmfCA==
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

2026-09-17T09:52:55.377217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085958
observed d01645726d105d7dd5940afa5cd636b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.356586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085958/manifest.json
observed 17708c6db7e31787c34add14f1b3e153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.338470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085958/publication.md
observed 5f4c51f35f113e72584db33f093d1966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.318964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085958/publication.txt
observed cac30344860a04c0b47dae072867a371...
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.