OpenTechnical

OT-2026-000047079

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000047079) never changes.

Identity and time

Publication numberOT-2026-000047079 · never reused
Internal UUID01a0ae7e-d0f8-73c6-a52b-a921e1195a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047079
StatusPUBLIC

Content hashes

Canonical text552fced90e781652d7c58ffb5c94a602d6212a65c0cf8b136e946b1a116e3ee9
Markdown41df62f6481793f4bcb2605fb33b2e86873c076cca545fbc9d316698252f1e36
PDF
Publication page4bb27f8368b78981b5dbc219d6e75f9de9b6b9332358d1f8ded1f5359b22311c
Manifest6fac753dfeb8177d83a9f8f7768590d423b4961155f3eac08ef005b6f779497a

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
SignatureFe+uhl9fQ8uGyz40ecUCPXja0UEK3Yr6OjOw01HwUiHdQSurvvETrZJW2dRgv6q5u2uEF90drVtrybIr9BVgBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:10:23.399125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079
observed 4bb27f8368b78981b5dbc219d6e75f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.377944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079/manifest.json
observed 6fac753dfeb8177d83a9f8f7768590d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.359522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079/publication.md
observed 41df62f6481793f4bcb2605fb33b2e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.314169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079/publication.txt
observed 552fced90e781652d7c58ffb5c94a602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.550849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079
observed 4bb27f8368b78981b5dbc219d6e75f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.531272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079/manifest.json
observed 6fac753dfeb8177d83a9f8f7768590d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.513612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079/publication.md
observed 41df62f6481793f4bcb2605fb33b2e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:51.477678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047079/publication.txt
observed 552fced90e781652d7c58ffb5c94a602...
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.