OpenTechnical

OT-2026-000067190

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000067190) never changes.

Identity and time

Publication numberOT-2026-000067190 · never reused
Internal UUID01a0ae8f-14ff-7768-95ac-7668d5e4f8d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067190
StatusPUBLIC

Content hashes

Canonical texte6d4a94a8817d14e000a7ee708424aa77ba9c12d4a5587cd5116facb23dc0fd7
Markdown71784e2fde99f7da6ebad1b47e31b71bd644f3cd1b769bab1135e39165b62dfe
PDF
Publication page2e91857e377be48d79f3cd4765e6ac0882da4e47c4ac2e0e24b72665816db9c9
Manifest19e41beb510b94d14cb40c16078f09b2f826c941c930b6d099a8af7fbeca7697

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
SignatureZkWMYl3ceb2NTnR7MNByIntybqRaUrFjm4Yl2UxCVUWhmuE2RKSVKsvxLEFXBos9My0nqB1Z8KA2Z60xuimQCA==
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

2026-09-17T10:32:28.526663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067190
observed 2e91857e377be48d79f3cd4765e6ac08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.508475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067190/manifest.json
observed 19e41beb510b94d14cb40c16078f09b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.489921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067190/publication.md
observed 71784e2fde99f7da6ebad1b47e31b71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.472629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067190/publication.txt
observed e6d4a94a8817d14e000a7ee708424aa7...
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.