OpenTechnical

OT-2026-000086003

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000086003) never changes.

Identity and time

Publication numberOT-2026-000086003 · never reused
Internal UUID01a0ae99-e82a-73f3-af3a-1fee27b51240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086003
StatusPUBLIC

Content hashes

Canonical text9390e7e73a1f310c7f163bbf8d62f41ec2e1503dfbc2ad71bcc1a5e0dc13cc58
Markdown1ccb1baae5212dd1bcf249221295a3168ccae3e62bbed5d8e9f7152398d80afe
PDF
Publication pagedb91d42ee5fe7a98bfbf8832d4ea25f7bddd071f05eafbb9d3413075764c9771
Manifestb20b0bcc0e7f1cc8fdad702a2ddfe801be1ebd28c62780df63447b6ba3a771d1

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
Signatureb2gATmBZKyMgjLeux88GL9iiHIwfhddugT9+BSmXj42KvJbalmrdEmWtgJv8bQcrRtfeS459NjUdfiEM66nODw==
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

2026-09-17T09:52:59.305246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086003
observed db91d42ee5fe7a98bfbf8832d4ea25f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.288170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086003/manifest.json
observed b20b0bcc0e7f1cc8fdad702a2ddfe801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.247785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086003/publication.md
observed 1ccb1baae5212dd1bcf249221295a316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.208755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086003/publication.txt
observed 9390e7e73a1f310c7f163bbf8d62f41e...
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.