OpenTechnical

OT-2026-000088833

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000088833) never changes.

Identity and time

Publication numberOT-2026-000088833 · never reused
Internal UUID01a0ae9b-8f10-7cda-b6d8-1a4e712da035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088833
StatusPUBLIC

Content hashes

Canonical textf2b2b211e7ee53e458250a23e96aef4935b350985380020fa915fe281c7cf7a2
Markdowna49d0a80492b89d3ab3b11fdc3b6764e2d83e2dea95211724c73d9d9d7958c57
PDF
Publication page9ed1c31e836359ba96de7cbc23a0479e6ca11e37f0aa17a67e83b58b4a02444c
Manifestb04e8ed165e9af52c1beb97cb1359384307d26eba9075b232758f11b086f81f8

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
SignaturezoAC2ewCf8jAer85fZCdEb/kbWRZI1kjOgDuxM/vkZJ3IG1V88ZPYgAYD5GoDSSftH4OvOdsNSyQ/voXrcQoBA==
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

2026-09-17T09:48:13.447236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088833
observed 9ed1c31e836359ba96de7cbc23a0479e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:13.429764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088833/manifest.json
observed b04e8ed165e9af52c1beb97cb1359384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:13.410180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088833/publication.md
observed a49d0a80492b89d3ab3b11fdc3b6764e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:13.390958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088833/publication.txt
observed f2b2b211e7ee53e458250a23e96aef49...
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.