OpenTechnical

OT-2026-000085869

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000085869) never changes.

Identity and time

Publication numberOT-2026-000085869 · never reused
Internal UUID01a0ae99-e829-7a2a-a5bf-6086e02c0406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085869
StatusPUBLIC

Content hashes

Canonical textc07829c507db0537c80954ba81b2cf951a0299da2f8647504ac0ee6e84b74b98
Markdown64bb671bfe0546cc2bb8e92df8881275d1cb495bdbd5aee90c0f4b98d421cc53
PDF
Publication page471a538a690e88eec3a6d5f2caa2301640712975e6b4401164264af95e033efa
Manifest2fd1477af8807b5f2024af2ea0178bc3175b49f779440c9731ac61542403297e

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
SignaturevCxk3wjGS85YbTTuIOJXv0u9a5hb3BYZQBufgepjxwaGPTcitTkhw9r3dMgz7CUfITya7PIWxZoBIS4jv5F4AQ==
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

2026-09-17T09:52:48.158528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085869
observed 471a538a690e88eec3a6d5f2caa23016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.048152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085869/manifest.json
observed 2fd1477af8807b5f2024af2ea0178bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.031354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085869/publication.md
observed 64bb671bfe0546cc2bb8e92df8881275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.014180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085869/publication.txt
observed c07829c507db0537c80954ba81b2cf95...
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.