OpenTechnical

OT-2026-000083211

Publication integrity record

Foam pad vacuum gripper, three zone face, single 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-2026-000083211) never changes.

Identity and time

Publication numberOT-2026-000083211 · never reused
Internal UUID01a0ae97-c963-7cbd-9bf0-737a6ac01c80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083211
StatusPUBLIC

Content hashes

Canonical textc8ff26cd191183130402151b0b79657586ea9a2046448a74a11ff1f9775a5cfe
Markdownb516b33a134a53d5cc7ec7e215fd11d74b6aaaae106a7a3d2428fab058771b12
PDF
Publication pagefad82e73db846cb6f9f8453d2a2a7e12809801f507cf20f9a827f32c95220fa9
Manifest85a0187c4571c7bae75f62a33911bcda7828df143c498cf879a5dc8494937cdc

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
SignatureK4z5NXjw6j9YSnsd9+4g3PMRSYCIhKZni8Wn4OTE2pgM2resmSzSRGUkMksVXfENnCZ5+lGjWrC09nyaxPf/DQ==
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

2026-09-17T09:01:06.101485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083211
observed fad82e73db846cb6f9f8453d2a2a7e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.083807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083211/manifest.json
observed 85a0187c4571c7bae75f62a33911bcda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.063542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083211/publication.md
observed b516b33a134a53d5cc7ec7e215fd11d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:05.920933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083211/publication.txt
observed c8ff26cd191183130402151b0b796575...
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.