OpenTechnical

OT-2026-000085811

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000085811) never changes.

Identity and time

Publication numberOT-2026-000085811 · never reused
Internal UUID01a0ae99-e829-7aa1-bdf1-cc74e45e7e1d · 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-2026-000085811
StatusPUBLIC

Content hashes

Canonical text62f5adb4e729723ce0078e257075d9f5c85c73861755696a92a5e557743c20a0
Markdown905e35d5dddc9dc3d64a5d0c903815053c233d803cf34ba392a055ea48a97c76
PDF
Publication page6c3ffd8d40bd2f23dba806d3cb2e65bd4b15767726eedc7381266acede05e2ac
Manifest39c28d29aaca0fe37a0a1f796672d83771eddecef195c7602c6cc4ba6c6827eb

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
Signature20gltIs3ln/PwBV34jjUT/gnj7MpyLkI4bl1h8bIXnbxqkLyynnLl/bf7tTNp7LWWiQnfPhBypt++PIB94LvBg==
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

2026-09-17T09:52:43.802411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085811
observed 6c3ffd8d40bd2f23dba806d3cb2e65bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.784869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085811/manifest.json
observed 39c28d29aaca0fe37a0a1f796672d837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.767896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085811/publication.md
observed 905e35d5dddc9dc3d64a5d0c90381505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.748726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085811/publication.txt
observed 62f5adb4e729723ce0078e257075d9f5...
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.