OpenTechnical

OT-2026-000076416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000076416) never changes.

Identity and time

Publication numberOT-2026-000076416 · never reused
Internal UUID01a0ae94-6a70-7347-8d06-c43dd3788189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076416
StatusPUBLIC

Content hashes

Canonical textc3d95dc24f359b415f3aeadc80603d93b745979f2501658a52ced4ba2300e924
Markdowna4d332b406dd2c654bd9bae0695fcb9f9014ec9460541cea78f626d819bc9097
PDF
Publication pagefef6874d89f879df1518fd5ebeb6930c12cfa6ccaf3cfe13e7e01682c1b219fa
Manifestb1cbd9c95b1465e928d68a4d03f924f66952851768fd72c82f4479118c1c1e32

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
SignatureD7KO1QGuySu/g6hKp/PfExWlTXdK4KO7sDEfqbxgJ6qEms8UiUTv/DHSjEP6IS/WqfPYiVqRySPUoFdQaoM9Bw==
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

2026-09-17T10:12:22.776323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076416
observed fef6874d89f879df1518fd5ebeb6930c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:22.757880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076416/manifest.json
observed b1cbd9c95b1465e928d68a4d03f924f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:22.738379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076416/publication.md
observed a4d332b406dd2c654bd9bae0695fcb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:22.302390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076416/publication.txt
observed c3d95dc24f359b415f3aeadc80603d93...
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.