OpenTechnical

OT-2026-000070912

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000070912) never changes.

Identity and time

Publication numberOT-2026-000070912 · never reused
Internal UUID01a0ae91-8c2d-7094-ba11-66cfe8200cd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070912
StatusPUBLIC

Content hashes

Canonical text57aff30feaee5b585f501754d35ce5dd519734c9ac3936b01ab219a05ad2aa0c
Markdownd85b64b5b725aff398a99759ce91887bb2f3c14b01587ac179262db312663724
PDF
Publication pagecc39ca9ae3a554863cdfe11ac54c09410ebfec806b4bcf1ccc3aeb862f892a81
Manifestb6b2a958dbdcbd46563e33a75a8aedbd86b467facbf2f12a8eca7b0cd154b1a4

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
Signature1LfOLoPommYWolBkL8mAxUEd8lGjNG0p/2mjxJ960HM6NefLV6KDyvs1RFfryWTD7LjH06aOPF2hF0GOJEmdDg==
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

2026-09-17T10:25:44.563832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070912
observed cc39ca9ae3a554863cdfe11ac54c0941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.547930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070912/manifest.json
observed b6b2a958dbdcbd46563e33a75a8aedbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.531654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070912/publication.md
observed d85b64b5b725aff398a99759ce91887b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.515481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070912/publication.txt
observed 57aff30feaee5b585f501754d35ce5dd...
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.