OpenTechnical

OT-2026-000054825

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000054825) never changes.

Identity and time

Publication numberOT-2026-000054825 · never reused
Internal UUID01a0ae86-1285-7995-91f1-cb2a5dc5a17c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054825
StatusPUBLIC

Content hashes

Canonical textec18c56e1c8fd24cd177b04293ded3b68889fe0a4f1d633eb348b3ed6dda9659
Markdown5da2b13594c312d3de4b6dc1ecaffb86efe4fc61e8de25df504c42df491de6de
PDF
Publication page5de0381b58ae4c17045ae0e3242d9bf634c9abab1d606d543feae722f3879c84
Manifest614815c2daa3923f7d721682a0c16267b7160f73c76580d20ebc3abd4aa8c958

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
Signature8BZosx4A4BdG25Lmi3/kA6K+OKgSxo8mgb+vmTf1wHxmSFwqVLwm7NMjCpo9086CWsyWx4MOq3YOtps4yNQNDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:02.112705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054825
observed 5de0381b58ae4c17045ae0e3242d9bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.095619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054825/manifest.json
observed 614815c2daa3923f7d721682a0c16267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.077846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054825/publication.md
observed 5da2b13594c312d3de4b6dc1ecaffb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.059839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054825/publication.txt
observed ec18c56e1c8fd24cd177b04293ded3b6...
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.