OpenTechnical

OT-2026-000091714

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091714) never changes.

Identity and time

Publication numberOT-2026-000091714 · never reused
Internal UUID01a0ae9d-43b9-7cf9-a941-ee42549d5724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091714
StatusPUBLIC

Content hashes

Canonical textfb130edd345bb4a51bfcbbce16b859e128a5694d45fb6ec50190c4bed7b2d109
Markdown5cb9953beecc7f258ff88586c804591ba1220643f960eb9ebb6ea9cd4993984b
PDF
Publication page66841dd0abe970da7691d95b10950db019a15c8f52af118db3f768d3a74698c4
Manifest2b94e046a0e3c35e2cd10aa8f0c26d699e718c17cc3863b176003599714d8ff7

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
Signaturecvion49PBwF3A2uHZJFcKkPViVMRfCJ/OR2c2UJrRITUuXooxYev0oEpHbnV8jwBrXsgHZBPd4VS+GVR2vXrCg==
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

2026-09-17T09:41:55.993991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091714
observed 66841dd0abe970da7691d95b10950db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.975576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091714/manifest.json
observed 2b94e046a0e3c35e2cd10aa8f0c26d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.926291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091714/publication.md
observed 5cb9953beecc7f258ff88586c804591b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.877745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091714/publication.txt
observed fb130edd345bb4a51bfcbbce16b859e1...
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.