OpenTechnical

OT-2026-000092737

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000092737) never changes.

Identity and time

Publication numberOT-2026-000092737 · never reused
Internal UUID01a0ae9d-b600-7981-97f5-8e3b4430698a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092737
StatusPUBLIC

Content hashes

Canonical text911e0640e7424dc70fbc24fa2f6ba0c695fa644505a7c667319c7dda9850d975
Markdown689afc357d8b7cf3a678ed672d30d19fc4d28d328c6fd8ccd22bb55cc77dfb04
PDF
Publication page94d720b384ece259049d0459cc65bbf9290eaed06ab914000ddacf81ec5f8b29
Manifestee2d54e247a01309cba7f94171583e5cb6ba97b0fd233a9ea2accdfe6bdf1781

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
Signaturenw0nw71s82urAxj8DW3qhFcFKBcRfkMV32JUvtPqvCsFePSi5XvGDpg5Cf0gLgbECDjgMs4vcyKoYAxmwfr8BA==
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

2026-09-17T09:41:21.757940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092737
observed 94d720b384ece259049d0459cc65bbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.742081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092737/manifest.json
observed ee2d54e247a01309cba7f94171583e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.724874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092737/publication.md
observed 689afc357d8b7cf3a678ed672d30d19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.706866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092737/publication.txt
observed 911e0640e7424dc70fbc24fa2f6ba0c6...
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.