OpenTechnical

OT-2026-000103030

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103030) never changes.

Identity and time

Publication numberOT-2026-000103030 · never reused
Internal UUID01a0aea4-be3d-736b-b31b-f7e103cd33c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103030
StatusPUBLIC

Content hashes

Canonical textd1e3931c8041b8697705095fc0906a112d54a152fe25c9885553dd449ae1fc26
Markdown4ce5724b0c8ae42657ddb37f51ad330fe773503119e619274be1db45a06bdcfc
PDF
Publication page6626089b3251a92f5cb6c343e362c80109ab9e6f0ed836788ef613e63f233b39
Manifestcb727c2146bf51d633ed0964ad0dc6d44afbb07c1f466fa2015beef05dc024a0

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
SignatureUKEKDAW2CqfiUeqVs2/8cCmu9NRgBfOJVDlTrC9S1arlaBCZUgNuMbgiE/q9ShG/WfNDdsgIcJI05xwOJ/pJCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:09.070399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103030
observed 6626089b3251a92f5cb6c343e362c801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.052953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103030/manifest.json
observed cb727c2146bf51d633ed0964ad0dc6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.032820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103030/publication.md
observed 4ce5724b0c8ae42657ddb37f51ad330f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:09.014481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103030/publication.txt
observed d1e3931c8041b8697705095fc0906a11...
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.