OpenTechnical

OT-2026-000085793

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000085793) never changes.

Identity and time

Publication numberOT-2026-000085793 · never reused
Internal UUID01a0ae99-e829-7737-8ce0-cfb6106d36e4 · 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-2026-000085793
StatusPUBLIC

Content hashes

Canonical text9d8c83ae11f97ae9ba104dbcf4b4c168ad9058f605aeb13a85b36089194cb624
Markdown45f10578ec1f425b7bb1968f35a3506970cb7f41cea4f0092c32d02559d90569
PDF
Publication pageef76d0e2aa6e0d4b32cd4ae22c621a19c253c60ebd8993910b488454f2d49d2e
Manifest7f6cfb3016d272f9aaa5aac8021a08bb28f4f94e8161b3d0ed2f8f46c7085733

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
SignaturecwrgA1xmAg+CkwsaGthHe/aoUrXltJ9KXZzQt8sA+j7PDhrWyyR8KNAHrss3zgT2LTQ0cnM2IK9sBcnAZu3FAg==
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

2026-09-17T09:52:41.503782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085793
observed ef76d0e2aa6e0d4b32cd4ae22c621a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.485388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085793/manifest.json
observed 7f6cfb3016d272f9aaa5aac8021a08bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.467932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085793/publication.md
observed 45f10578ec1f425b7bb1968f35a35069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.449509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085793/publication.txt
observed 9d8c83ae11f97ae9ba104dbcf4b4c168...
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.