OpenTechnical

OT-2026-000049667

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000049667) never changes.

Identity and time

Publication numberOT-2026-000049667 · never reused
Internal UUID01a0ae81-8fee-7de2-86c1-e68c7de27f76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049667
StatusPUBLIC

Content hashes

Canonical text2f13104804d8117151beda55119a3524181e08fa65f51a21070ae5a4e6b9deae
Markdown507bd3a74f5861d05b1f067c84c5ce25c2af7051d64bf6df948e957d1092a00d
PDF
Publication page50c858c50b29fe7964d6bebad28d1bc62844594cddcff9b924c1bf6d53d3bbe5
Manifesta33d4c1484f85cc281f8ab85b0a9371cc123559a8505eb601cfe9b2895cd4573

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
SignaturemU0XFTsJEEd+HhNkNzyypXbVtLB/loua2qZ4sdmDqYneZS3Mjt8RFs2Cdfl1UlV9KdDLGGXwzWP7+isEV6t7Cg==
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

2026-09-17T11:02:40.250762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049667
observed 50c858c50b29fe7964d6bebad28d1bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.233124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049667/manifest.json
observed a33d4c1484f85cc281f8ab85b0a9371c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.213025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049667/publication.md
observed 507bd3a74f5861d05b1f067c84c5ce25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.193518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049667/publication.txt
observed 2f13104804d8117151beda55119a3524...
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.