OpenTechnical

OT-2026-000055315

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055315) never changes.

Identity and time

Publication numberOT-2026-000055315 · never reused
Internal UUID01a0ae86-a100-7d71-9c38-52ea3a0af815 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055315
StatusPUBLIC

Content hashes

Canonical textb59e8f5c38802cef61f4e22f7b91a682c23f5a28e2281a00d37ab48d77d5c595
Markdown6cb7c4215c275e6da6d535caef460b8179c85cde995143a243eb83cfb5334d89
PDF
Publication pagec2e95f3d4b693e7e73f3fa934224f1c0535fd06140d4250af454c21dd9f39195
Manifest2f63319bcb1e846303f51c311b623e337b514dcd995ef6ca9d70451469a10218

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
SignatureVA9K8GagDX5fLq/YGc7DQvRRaKO9r7Qlu6FKKpuiYjRNAjRg5bI/yKhSng+Q21m6Fk6/n+sdo/Ar0MfMiMV9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:55.880002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055315
observed c2e95f3d4b693e7e73f3fa934224f1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.861831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055315/manifest.json
observed 2f63319bcb1e846303f51c311b623e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.843968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055315/publication.md
observed 6cb7c4215c275e6da6d535caef460b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.825495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055315/publication.txt
observed b59e8f5c38802cef61f4e22f7b91a682...
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.