OpenTechnical

OT-2026-000058154

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000058154) never changes.

Identity and time

Publication numberOT-2026-000058154 · never reused
Internal UUID01a0ae88-6edb-7bb8-8038-61dc725a94fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058154
StatusPUBLIC

Content hashes

Canonical textbe19fbe5889e0bc89953e35b189f05cd28eb5f330dba82897d647788bf85334a
Markdown7cafb48ce5afbff9b1c57e7aeb7e7802b3d3ab5afdabd35c959f22e88653f725
PDF
Publication page6ea4eddf98f26e4183df1cd299d25257530897e4924a0d8670803c4e217d7622
Manifestf66a094a09113b0037b6165db41f3b0dc50a53e3371d206dfa000c2635f20dfd

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
SignatureEUUfNgZCfD/3Eo+YwMP2i5fBp/W9JtJchBka25WADKUO3NnQbmBOIlhVztlufWb9+J6IlnvRJFw2ued0AwaUBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:50.779370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058154
observed 6ea4eddf98f26e4183df1cd299d25257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.760026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058154/manifest.json
observed f66a094a09113b0037b6165db41f3b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.742182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058154/publication.md
observed 7cafb48ce5afbff9b1c57e7aeb7e7802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.721708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058154/publication.txt
observed be19fbe5889e0bc89953e35b189f05cd...
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.