OpenTechnical

OT-2026-000092989

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000092989) never changes.

Identity and time

Publication numberOT-2026-000092989 · never reused
Internal UUID01a0ae9e-090f-7f28-9a2e-04076bb4a144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092989
StatusPUBLIC

Content hashes

Canonical textb57c2dfee70fff3998bf60df79aa05dd2f4ca41429c60ef1015a333482aae02c
Markdown012375b792391d6884d8c8ffc11bea7d44f252716ab75c2092c8a79a0d4049f7
PDF
Publication pagee02e2af8a177fcc115e41d6feeff45b9a7ec982fd389d39e4b3ed43a1dec7e88
Manifest0b64d7e7c6c36183a5171d79b4ded265465ac60567f667f151280f02c4919358

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
SignatureOFCRgYa8goJrrZ1J+i6Ajd82NHMuDFr1PqwFVk2+uVW3whZwbGYuHrtNruG6+OZzhEsO0d3jqz5S5DNMHMtyCQ==
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

2026-09-17T09:40:11.456277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092989
observed e02e2af8a177fcc115e41d6feeff45b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.435210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092989/manifest.json
observed 0b64d7e7c6c36183a5171d79b4ded265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.413805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092989/publication.md
observed 012375b792391d6884d8c8ffc11bea7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.396636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092989/publication.txt
observed b57c2dfee70fff3998bf60df79aa05dd...
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.