OpenTechnical

OT-2026-000023702

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000023702) never changes.

Identity and time

Publication numberOT-2026-000023702 · never reused
Internal UUID01a0ae70-aed4-7821-b903-757f5df8bf6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023702
StatusPUBLIC

Content hashes

Canonical texteb6f3e12f931323c68807320a155080240f389576105d9b7661829e07880898d
Markdownf8fa8a8eaebead68d3a6187c16eaa6d5857018126c80210ef4f32941e5fa27b4
PDF
Publication page9f5d887ef6d759c03a255e000a694e41f3ee5115e0e484c93181c0ac06d048c6
Manifestaf5e1dbdbebf4e6966662990d0165e75a9e6aa03607256d24c8b71e7f50ab9a0

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
Signature0i626QU5dF2GAMUzVxK/POBR3DzGZTlv7vc9ifqib8cxYPZh7K7uvxCA55KTrstfzh8Cto5zdXWakzCm1uerBg==
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

2026-09-17T11:50:02.129163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023702
observed 9f5d887ef6d759c03a255e000a694e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.108016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023702/manifest.json
observed af5e1dbdbebf4e6966662990d0165e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.090683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023702/publication.md
observed f8fa8a8eaebead68d3a6187c16eaa6d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.072949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023702/publication.txt
observed eb6f3e12f931323c68807320a1550802...
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.