OpenTechnical

OT-2026-000086538

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000086538) never changes.

Identity and time

Publication numberOT-2026-000086538 · never reused
Internal UUID01a0ae9a-2c98-7260-87d2-995e51839013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086538
StatusPUBLIC

Content hashes

Canonical textb33b13a6959a9ed054541c5da4342ce99d291ceb8489d939d9be6a2b7c17cb8e
Markdowne35d7b9c97d0bd220cc37031501b6db533eb8a00e6d0bd9ea2a605ec5dc20b61
PDF
Publication pagec9b7a79d4888b1bb78add4cf60c465e997b82b0375c1f4b5b1586d3a22729b73
Manifest8a7cce2d189b18d13f1a52faf6ff5a6b317e3a3460c8e89dd3897c9ae59e89ab

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
SignaturenG2N1+7eBSmlqcIwhqko0+C3XMrvzmeP6nVef9h7dVmhq3eJuyEY3GhJ9HuG6oIib2biXoRU5jtBYVIqKM/BAA==
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

2026-09-17T09:52:21.879032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086538
observed c9b7a79d4888b1bb78add4cf60c465e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.860240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086538/manifest.json
observed 8a7cce2d189b18d13f1a52faf6ff5a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.842021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086538/publication.md
observed e35d7b9c97d0bd220cc37031501b6db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.824058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086538/publication.txt
observed b33b13a6959a9ed054541c5da4342ce9...
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.