OpenTechnical

OT-2026-000063389

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000063389) never changes.

Identity and time

Publication numberOT-2026-000063389 · never reused
Internal UUID01a0ae8c-f944-726b-8701-cf2f5d653151 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063389
StatusPUBLIC

Content hashes

Canonical text07c49b7463c8f5d5360811d00bcff0aae164dff1e9ded5e8b2111fa5c3cad671
Markdown72b2f0483af5cd0130f0d10569644947c23c477e36a246a3785aae130515a7e6
PDF
Publication pagef253bf7f9c9460cbf61d2564408bd49f7175f6166e30dcf6ef2ed6ad6ea91f15
Manifesta552afc6bd3f1e4e16b5d22f1af23045d72dcaa5c57100c64d75c4cd338e9846

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
SignaturebDni2iQYUDiaZNNsyghZLmCBttz2LcRzAhsogGnBvYgXlyjHkFxFDd4I5KzHdQ7QisSBNHz3wqdxTaTDsFfMAg==
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

2026-09-17T10:37:18.226232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063389
observed f253bf7f9c9460cbf61d2564408bd49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.208232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063389/manifest.json
observed a552afc6bd3f1e4e16b5d22f1af23045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.187614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063389/publication.md
observed 72b2f0483af5cd0130f0d10569644947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.166616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063389/publication.txt
observed 07c49b7463c8f5d5360811d00bcff0aa...
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.