OpenTechnical

OT-2026-000026854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026854) never changes.

Identity and time

Publication numberOT-2026-000026854 · never reused
Internal UUID01a0ae72-3452-79f7-b2ea-d50e51166134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026854
StatusPUBLIC

Content hashes

Canonical textf884ea2cde7a6e6360111d9c505020e1f0d7121cff439cbba2f7b3d3c6649399
Markdown789615b6d8260006920f2995cfaf5af038e277a368b4d87410462bd5e980d767
PDF
Publication page6fc6eac1bbb5a9effe77026d2736d957000f67e3834e10e57a5ad6545b1223a8
Manifest9a4d4e1787f33bc2f999cd992a1540131e37f235f34ab0df681b629b108cd271

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
Signaturegw0xBGjShwMKrPct6qDw82TuRAHrxKL1fB/6ad/1nRky2+28k+meAlRe4R0aSIBzj0B+xE66dTm2AMI4OxgVDQ==
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

2026-09-17T11:43:27.102600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026854
observed 6fc6eac1bbb5a9effe77026d2736d957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.083865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026854/manifest.json
observed 9a4d4e1787f33bc2f999cd992a154013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.067167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026854/publication.md
observed 789615b6d8260006920f2995cfaf5af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.050730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026854/publication.txt
observed f884ea2cde7a6e6360111d9c505020e1...
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.