OpenTechnical

OT-2026-000085700

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000085700) never changes.

Identity and time

Publication numberOT-2026-000085700 · never reused
Internal UUID01a0ae99-aaae-7278-8eaf-e18486106d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085700
StatusPUBLIC

Content hashes

Canonical textf0cd5af44ddbbb7a5350dbc2b7886c8e39e29f5863b9f33938312c6e95b459d1
Markdownaee3cf08295a38c69c43fe8c106fe2c2f7cef4b3a5b0fce36caffce0af1d2eb1
PDF
Publication pagef2302167071929b80373ba14f790ae8957901a20765bba83ebe9e66b1a554ed7
Manifest3425851d05702e595715f5a25ac19c08eed408479bcc14aecc7e2d54ceea3c28

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
Signaturet/38a2cYq2b5/B8yMpfX/sQVeCSkOTJ858GpuC6PvZ+ki/AkvG7fubLSCActsoe0nLBBzqSqYucc7UlNSkV8DA==
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

2026-09-17T09:54:36.248598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085700
observed f2302167071929b80373ba14f790ae89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.228745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085700/manifest.json
observed 3425851d05702e595715f5a25ac19c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.210468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085700/publication.md
observed aee3cf08295a38c69c43fe8c106fe2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.193013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085700/publication.txt
observed f0cd5af44ddbbb7a5350dbc2b7886c8e...
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.