OpenTechnical

OT-2026-000038664

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000038664) never changes.

Identity and time

Publication numberOT-2026-000038664 · never reused
Internal UUID01a0ae78-769e-72c1-b434-9712a05871c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038664
StatusPUBLIC

Content hashes

Canonical textf05d6d181a683b2b752e85204cb2b7b201af1178e7c5dc1639f021e095b22bf4
Markdownc5a84f011c46ba99b9fc9056ff6f9be2fd8fe4ee2bd3d03961141eef4f64b1dc
PDF
Publication page7073fd898988a7134e0df5aecc31e6fd7e2e9687e235523d8ea1524975a684fe
Manifest08ba0099430349f7057c341885043c3454663dfd2963d081c8d3c498cbf9dbbe

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
SignatureFX9Ekaw+PQijRvM7/tvUOCtaH3eYmWX7PEAZIKB39D9uBxqJB25R8wL6BwETLqB1Cxk5WqCqtY3Pgs58337GCQ==
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

2026-09-17T11:21:07.519629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038664
observed 7073fd898988a7134e0df5aecc31e6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.501837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038664/manifest.json
observed 08ba0099430349f7057c341885043c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.482847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038664/publication.md
observed c5a84f011c46ba99b9fc9056ff6f9be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.402975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038664/publication.txt
observed f05d6d181a683b2b752e85204cb2b7b2...
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.