OpenTechnical

OT-2026-000086726

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000086726) never changes.

Identity and time

Publication numberOT-2026-000086726 · never reused
Internal UUID01a0ae9a-2c99-7523-8980-154fe198de4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086726
StatusPUBLIC

Content hashes

Canonical text46fd416bb3b438a3a845f9cb4b02925f63eb0892eb714ab4ca7c0212a54f16ee
Markdownc034ee6fe2c8406eefa742d9bdd6410853896b07a18607e66a1abc0f2574abe7
PDF
Publication page153a2e2b3834b454269a98b211ed4538c463b979fbef5917fc684b1861cc8d86
Manifest2bd3ee424ce58f22e806149d73a634515237c7d6ffb3b9b375b52f6f82af65f7

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
SignatureTvl7Gs90DtSQ9Bx5TAwYvGAR2cAI5x8a7gPyRoI/9mgbmu7jSYUDJDgUf7YbC9PvPUaoFMYSM3eQWoFHeZ+fCg==
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

2026-09-17T09:52:36.237649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086726
observed 153a2e2b3834b454269a98b211ed4538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.220170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086726/manifest.json
observed 2bd3ee424ce58f22e806149d73a63451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.203833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086726/publication.md
observed c034ee6fe2c8406eefa742d9bdd64108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.186459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086726/publication.txt
observed 46fd416bb3b438a3a845f9cb4b02925f...
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.