OpenTechnical

OT-2026-000044770

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000044770) never changes.

Identity and time

Publication numberOT-2026-000044770 · never reused
Internal UUID01a0ae7c-911a-710b-bb63-66be6544e7ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044770
StatusPUBLIC

Content hashes

Canonical textb72db72ae5a06c228b4940ec8651bf91cbc89ce352c901c6b2d934d50d3a6d63
Markdowna19106ace0c679bc03dc94ef2f8b72c7e5e08bfc7b1fabac61993bc5a816ef97
PDF
Publication page3987d171aeaa49bd3d31efad4db8c7fb571c6633d16606ba6d7ef091a42c33aa
Manifest84423762fc0ca2b5ca91dfc741f64cc8e73ce795ca8f03a85b70973dafd8996c

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
Signature86347w9x/hfLzHb0gwZAd5uuSVs+Kq5Dn+f/9N3C1zxTC74PawF5xgLBS194koAyQmTrYj9qBcVy5iwvi4zvBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:23.562870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044770
observed 3987d171aeaa49bd3d31efad4db8c7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.544882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044770/manifest.json
observed 84423762fc0ca2b5ca91dfc741f64cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.525818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044770/publication.md
observed a19106ace0c679bc03dc94ef2f8b72c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.505890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044770/publication.txt
observed b72db72ae5a06c228b4940ec8651bf91...
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.