OpenTechnical

OT-2026-000102928

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000102928) never changes.

Identity and time

Publication numberOT-2026-000102928 · never reused
Internal UUID01a0aea4-be3c-78b8-9cf3-560f03ff11c2 · 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-2026-000102928
StatusPUBLIC

Content hashes

Canonical text5f4965a30d060f32ece71b22ec4ee6020c0fc99ca490cf35e91ff33dd98d35e8
Markdownaaa3f52609b425556db1d8c9b2a862708188766c364fe4a3b9a0ec532e0d7de9
PDF
Publication pagec05e60a85b0300e7e29fd38aceebeabffadccdb031d2b5cfcc26e2722f137c9c
Manifest0bd0bbdd3f24fb8773221153d8f161b60d219e2f4847b316712f7ddaef7f6024

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
SignaturecKuMQwnXaD7xZ+j0A1QDhIwn/sM5JnVtrp0EglgTRthF4tG0b6Az2egktvdZ43K7dm28mfpu9j7oMpiPTPTXAw==
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

2026-09-17T09:23:01.770285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102928
observed c05e60a85b0300e7e29fd38aceebeabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.748880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102928/manifest.json
observed 0bd0bbdd3f24fb8773221153d8f161b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.728435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102928/publication.md
observed aaa3f52609b425556db1d8c9b2a86270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.707725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102928/publication.txt
observed 5f4965a30d060f32ece71b22ec4ee602...
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.