OpenTechnical

OT-2026-000064412

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064412) never changes.

Identity and time

Publication numberOT-2026-000064412 · never reused
Internal UUID01a0ae8d-a461-72e7-b682-a7574c30f84a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064412
StatusPUBLIC

Content hashes

Canonical textf9b4bbbcf2f9e633ce95a8f66459cac48514105b071eb2580257ef46a705d435
Markdownfae62c0216edb848aca0046c216aa00014d38271945581fb54b1f9a630fa50c1
PDF
Publication page94ab476a6a8b68943fef17ed87c41d7eba7adfdb1b671048a9f2ed82e4dc8f5c
Manifest97b03bcb7385feb0b0717768350303e7e6306cd87fadd91a7be966a00d1f7bd8

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
Signaturee7/tWYENLwa1PG2N4hb3G09RrAYEnM/9B78hUyjSJSTkCjayoX41L2rIU5ukkJxr8Scf+mwc7RpGrnBpk8AiCw==
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

2026-09-17T10:36:35.464993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064412
observed 94ab476a6a8b68943fef17ed87c41d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.447018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064412/manifest.json
observed 97b03bcb7385feb0b0717768350303e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.420659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064412/publication.md
observed fae62c0216edb848aca0046c216aa000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.403571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064412/publication.txt
observed f9b4bbbcf2f9e633ce95a8f66459cac4...
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.