OpenTechnical

OT-2026-000087738

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000087738) never changes.

Identity and time

Publication numberOT-2026-000087738 · never reused
Internal UUID01a0ae9a-cd55-777d-af6f-a876587b4a2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087738
StatusPUBLIC

Content hashes

Canonical text448373bafdec437e1dc4b4eca4037952fa1718d1b19d11aa99ea1b237e93e483
Markdown7eaeac9f82e07932e78191aa6114a2aa5c20b000be33ed7750bfd90dc00c4f59
PDF
Publication page4da77102f3b412327acac9aed1ab114834d74692b4408704a912bb828c7181ee
Manifest09b63d016783ce3036b8f49f2d3a9afc018c9a908ed21a257431a336efef9f62

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
SignaturePyybMqVDbM5Wxm3oHxNBN0HuYKqgoddk3oUWwPtPGNXUYp64izfU+mlGeDeqh5DdlLKmycxaBIh0G2Rie/bRBw==
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

2026-09-17T09:51:11.546190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087738
observed 4da77102f3b412327acac9aed1ab1148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.529123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087738/manifest.json
observed 09b63d016783ce3036b8f49f2d3a9afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.513117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087738/publication.md
observed 7eaeac9f82e07932e78191aa6114a2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.495121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087738/publication.txt
observed 448373bafdec437e1dc4b4eca4037952...
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.