OpenTechnical

OT-2026-000023207

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023207) never changes.

Identity and time

Publication numberOT-2026-000023207 · never reused
Internal UUID01a0ae70-7267-74cb-badd-8808f63801cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023207
StatusPUBLIC

Content hashes

Canonical textcf07f4ff775e4a3cc83ec23810f757a832a82f1e225b7028c4ae73fda419bca5
Markdowncd812eecd3a5fd8e4d1b52be9da78f9599d4801a8d5553d86a978c84e3ba6d35
PDF
Publication page71f01bcec95c9dae895380f8619c579d63bdab4c7eca4bfd8973b694bae4b3fd
Manifest22d8a4e07740781e44b13e7fb294935f928174c115ad5c6d58472c07dcae63f7

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
SignatureXY3/swJ1XqTPy7coaKFuAUL5p4J+fjtWIDn5E2/Ox02OHX63LNhSZ4vxBMc6/41kll2Y87HCbh4/lf86kKH0Cw==
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

2026-09-17T11:51:09.833380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023207
observed 71f01bcec95c9dae895380f8619c579d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.812663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023207/manifest.json
observed 22d8a4e07740781e44b13e7fb294935f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.793089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023207/publication.md
observed cd812eecd3a5fd8e4d1b52be9da78f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.774349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023207/publication.txt
observed cf07f4ff775e4a3cc83ec23810f757a8...
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.