OpenTechnical

OT-2026-000086769

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000086769) never changes.

Identity and time

Publication numberOT-2026-000086769 · never reused
Internal UUID01a0ae9a-80a4-7bdd-b506-6405319acbed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086769
StatusPUBLIC

Content hashes

Canonical text1fd8b396655aa050e168a3d4443b960f301e8609b93e60b6c157b5219258698f
Markdown30c7a84f461b90883bea3aed7b8c05341379da7c747a7cb561059d94bc2d2660
PDF
Publication pagef1b0225cdd9f95a7c66421d5a12711b90069fcaaf8347cb7dea85245768ee066
Manifest1c4b677dd4cf8153aa5d80703c0a04eacc11abe80763d625e7aabc5f676e2113

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
SignatureeCKNoiHocT1bv3qHwQeqGb60KBD4b/IfXQ4DhhOLoEgn3DwFCB8n37yfaulXZjLcUCnmvoWbbnY/aOfO2NcCAQ==
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

2026-09-17T09:51:34.537704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086769
observed f1b0225cdd9f95a7c66421d5a12711b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.519597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086769/manifest.json
observed 1c4b677dd4cf8153aa5d80703c0a04ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.503377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086769/publication.md
observed 30c7a84f461b90883bea3aed7b8c0534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.487604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086769/publication.txt
observed 1fd8b396655aa050e168a3d4443b960f...
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.