OpenTechnical

OT-2026-000031183

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000031183) never changes.

Identity and time

Publication numberOT-2026-000031183 · never reused
Internal UUID01a0ae74-87ab-71f0-a47b-5e6bc590c5a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031183
StatusPUBLIC

Content hashes

Canonical text6e02fae54ffd4559ce7e41fb8977c71a207606c94c484736bcc1d73eedd92561
Markdownb766ef4ba02149b1bb92d66c9dcbaa5ed7768f1f1b9d479898311b6cb0190cd2
PDF
Publication pagec3650f70bbc8a53587d6b08b023a88ba2a665adc5f0a4f1e8c24fdc279924eba
Manifest6d34feef74473a922f73c2e8259c79de195817617f0e2c25c8c560b9a2badbaf

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
SignatureY/rVo6yloSkN+GFKeJtcezJ0Z5WDZI7o43pSt/J9TLVsSJM3T1oBsQfzyK3NfP692UHapoFULImaKDLr1J1vDQ==
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

2026-09-17T11:35:44.318168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031183
observed c3650f70bbc8a53587d6b08b023a88ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.300415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031183/manifest.json
observed 6d34feef74473a922f73c2e8259c79de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.282266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031183/publication.md
observed b766ef4ba02149b1bb92d66c9dcbaa5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.263928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031183/publication.txt
observed 6e02fae54ffd4559ce7e41fb8977c71a...
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.