OpenTechnical

OT-2026-000064041

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000064041) never changes.

Identity and time

Publication numberOT-2026-000064041 · never reused
Internal UUID01a0ae8d-53bd-7e7d-8a03-2135a724d83c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064041
StatusPUBLIC

Content hashes

Canonical texta820b04d16562d2842f58f2dea82c691611647e6eef8158234923726b0e560b4
Markdown01c7c2613b4d6fe0144069490d54ed4f320087ac4f10b198c1dc52d2007946eb
PDF
Publication pagec8f12010ed8222f286c9138f1b2d46424ab809a1b6e827f84a176e3b50cb4e29
Manifestbf21db81b83bf17d07027b4f03e74a8916587dade1aa2e9560976ced39cfe962

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
SignatureiFvihoPRZ8mTUSkSWhW3wm4YYrfHSbcC0cOCx7czEImCshwW9kYv1TlsKp9I0WnLOMXjXPw0AI/JNAWMxs6RAg==
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

2026-09-17T10:37:07.816651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064041
observed c8f12010ed8222f286c9138f1b2d4642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.798829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064041/manifest.json
observed bf21db81b83bf17d07027b4f03e74a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.780458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064041/publication.md
observed 01c7c2613b4d6fe0144069490d54ed4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.762699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064041/publication.txt
observed a820b04d16562d2842f58f2dea82c691...
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.