OpenTechnical

OT-2026-000084721

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000084721) never changes.

Identity and time

Publication numberOT-2026-000084721 · never reused
Internal UUID01a0ae98-e25d-7bb9-bdf7-9cf4aec1a9ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084721
StatusPUBLIC

Content hashes

Canonical text3ddec1c9c5eac42baa3c2f0fd2c1ac5831308ab6a89c829858659eb0346fe762
Markdown3d7819bc9afff5609f7e292a902e9719e43d56a0571c239363301d88ef36527c
PDF
Publication page01e1945c9c4fb724b14b99426e9affae48d92c2221515e72907e5bac80edd28d
Manifestb6c12b834f75dcbb0fb46aa6181363a33b9e6c728f8a19297e9830cfeb65c88c

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
SignatureAe9Mo/Y52oNtXWA/MFHWBENqxccK/a/O+3RU5LZ2jRoPl2vhjenJOcgKsrzqy/ZGPf78oufEzC9vQseg4m9fAw==
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

2026-09-17T09:55:39.622460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084721
observed 01e1945c9c4fb724b14b99426e9affae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.604045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084721/manifest.json
observed b6c12b834f75dcbb0fb46aa6181363a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.586111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084721/publication.md
observed 3d7819bc9afff5609f7e292a902e9719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.566533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084721/publication.txt
observed 3ddec1c9c5eac42baa3c2f0fd2c1ac58...
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.