OpenTechnical

OT-2026-000077532

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented after 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-2026-000077532) never changes.

Identity and time

Publication numberOT-2026-000077532 · never reused
Internal UUID01a0ae94-f50a-7014-9073-c68593fe2185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077532
StatusPUBLIC

Content hashes

Canonical textfac54d9bd1c08b0095ad4d1febb5ae52b208a78390b53d2d82bca93b4714df93
Markdown894bafe0d1f673c03f630a71d6e74644a82f428a6cc4502e68f6d7fa3eb99cdc
PDF
Publication pageca9632aec4e9c1fecada0b12906f5d741cdcfe485c3598537f7623dfe6e844a5
Manifest741eb507409c35426cdeb6b5a81828ed2c56dee39f7893daadd8c2c4f358afa3

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
Signature24wvdUIjCk/Per0Oir7f9uYFyABDOv+dAWCccVPold/8nbx9Qd5gG9D8RwbYMtbSmp5QpxUNlt5D35Vnz/yBCg==
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

2026-09-17T10:09:13.486987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077532
observed ca9632aec4e9c1fecada0b12906f5d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.468748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077532/manifest.json
observed 741eb507409c35426cdeb6b5a81828ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.449494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077532/publication.md
observed 894bafe0d1f673c03f630a71d6e74644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.429646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077532/publication.txt
observed fac54d9bd1c08b0095ad4d1febb5ae52...
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.