OpenTechnical

OT-2026-000015726

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015726) never changes.

Identity and time

Publication numberOT-2026-000015726 · never reused
Internal UUID01a0ae6e-0c4b-75ea-ad62-21688b2b5c9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015726
StatusPUBLIC

Content hashes

Canonical text75c8f8a9536f553ac377bda2b8d5f8636621c98e85b85f0fba545b9a6dcaaafb
Markdown3403bf8fb8744cfe3d0e965cc3ca035be59fa0d78dd6efc5e33fb877501c12f2
PDF
Publication page3552cda384676048bd7cfb9f59f62304c8dd68632d8c2bad7351288848737db2
Manifest4123bb0b124f639786a3b52a305cb8f7242a69e15ac248fa0d24464fc98511c2

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
Signature49GAHUwyzd6E8b053Lj61x2Z8F/4MUKrJsdb8PtDCfW2hE6vvWLXo6HYU4OL3Pwt8exTQu/CsJJJgIlic/RgAQ==
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

2026-09-17T12:05:00.689452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015726
observed 3552cda384676048bd7cfb9f59f62304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.671801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015726/manifest.json
observed 4123bb0b124f639786a3b52a305cb8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.654063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015726/publication.md
observed 3403bf8fb8744cfe3d0e965cc3ca035b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.635566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015726/publication.txt
observed 75c8f8a9536f553ac377bda2b8d5f863...
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.