OpenTechnical

OT-2026-000038755

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000038755) never changes.

Identity and time

Publication numberOT-2026-000038755 · never reused
Internal UUID01a0ae78-769e-76f8-a96f-83f6da58a98c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038755
StatusPUBLIC

Content hashes

Canonical text2493b927fd39d12d1058c46e4babb42164beee2ab35a54c697b45e4d460b7d7f
Markdown7d5bbed14dacb1fa6d397a5f4a836b7c7170829a2bbd3cac6d84a9ae75ba3d6c
PDF
Publication pagee628b8bab13d372f3cadffa1427b41233b1d0115632c1304061ef5c9672a4174
Manifestd98c457ec5b540680eaec90b756f96218071f4414c98496bfa164a57afee3b43

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
Signature1fdX7/vUXVMmTBbi9UjZMtG+rLEP66EyWdj96gUbNolZ3audTCct/gZJP77S9qxgLW4x270LQdCZ3kl7p6s0BA==
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

2026-09-17T11:21:17.547635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038755
observed e628b8bab13d372f3cadffa1427b4123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.526786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038755/manifest.json
observed d98c457ec5b540680eaec90b756f9621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.506835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038755/publication.md
observed 7d5bbed14dacb1fa6d397a5f4a836b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.486692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038755/publication.txt
observed 2493b927fd39d12d1058c46e4babb421...
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.