OpenTechnical

OT-2026-000091382

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000091382) never changes.

Identity and time

Publication numberOT-2026-000091382 · never reused
Internal UUID01a0ae9c-f16d-75d3-a727-731228d027e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091382
StatusPUBLIC

Content hashes

Canonical text0d8ac08e8d0ba906bc3a575ded96c35450ce42a2fe559eb58bdb89d57599f297
Markdown61e68b28c901525145f7e39185923def70b5a28d27a924380157f1c0ebbbf578
PDF
Publication pageb1acbb05a38dc18fc327563d5bd71882dad588c9d7994bcd18c47c8480d3b1be
Manifest6735312e42f64117578d4d5d1dc7add1727fce9213355804a16a015952322721

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
Signatureq8rnytvu387RRJAADlN1DAEe5KTa3DWkWncHOEym2zeLIHF4YR68J4ZgSllzDiT7PhcJrLBhecUfJJR5FOD7DA==
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

2026-09-17T09:43:36.265533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091382
observed b1acbb05a38dc18fc327563d5bd71882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.248933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091382/manifest.json
observed 6735312e42f64117578d4d5d1dc7add1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.231858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091382/publication.md
observed 61e68b28c901525145f7e39185923def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.213727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091382/publication.txt
observed 0d8ac08e8d0ba906bc3a575ded96c354...
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.