OpenTechnical

OT-2026-000077466

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000077466) never changes.

Identity and time

Publication numberOT-2026-000077466 · never reused
Internal UUID01a0ae94-f50a-7e5f-b595-fcc3f185bb3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077466
StatusPUBLIC

Content hashes

Canonical text12e290fd8196ebfbbe56683fe271271419cdad6f27bd31d772e36ba5c65cad19
Markdownfe7bb995b77f9938745319bfa02588996257b1cdd1458057610d6e6c1fd584e0
PDF
Publication page5bd7675b22c8a2536bb1167829bff832dece55312053d30a4f0bfeeaa9369d46
Manifest1f9f3496fccbcb6b8dbbe3ddaa198e7a9e34191348af7b43f273d14bce6624e4

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
Signatureeb5j2ytZR9gbctoTmDNEb8HJ29MMuBc3hNFl5PegDrjNAKIUTOFDD/tHXktVi9L7OsVDAYiB/qxu23+21DL4Cg==
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

2026-09-17T10:09:09.220675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077466
observed 5bd7675b22c8a2536bb1167829bff832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.200823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077466/manifest.json
observed 1f9f3496fccbcb6b8dbbe3ddaa198e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.181929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077466/publication.md
observed fe7bb995b77f9938745319bfa0258899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.161588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077466/publication.txt
observed 12e290fd8196ebfbbe56683fe2712714...
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.