OpenTechnical

OT-2026-000087070

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000087070) never changes.

Identity and time

Publication numberOT-2026-000087070 · never reused
Internal UUID01a0ae9a-9f2d-7448-8fb9-a55e9c193fe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087070
StatusPUBLIC

Content hashes

Canonical text2f970b64ddc49a71b751a88db2e3cb267eecffaa4b98ee687ae5e94232bd5b58
Markdown9a0e378fd9724931c8f38ab923f3aaa92861d3d5c1aaf0df3e1f934c50af2413
PDF
Publication page05a576c19886b162dae1da5588b07f2df6ad35f1a70197cbf491727da2bb983d
Manifestb193211397f090c4573b4f2a78c68095528a280a746dec0c4dc14aa23fdb94d7

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
Signature9mOfWI4+lnc7vrG0kGgGa7ja67xy/LXkzl5nJ0FC4MQpy15dkuxnfVUyMbyaAYmGUKMKbuy8HuCaEeqS6EZtCw==
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

2026-09-17T09:51:19.409919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087070
observed 05a576c19886b162dae1da5588b07f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.395444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087070/manifest.json
observed b193211397f090c4573b4f2a78c68095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.379568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087070/publication.md
observed 9a0e378fd9724931c8f38ab923f3aaa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.365533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087070/publication.txt
observed 2f970b64ddc49a71b751a88db2e3cb26...
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.