OpenTechnical

OT-2026-000089047

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000089047) never changes.

Identity and time

Publication numberOT-2026-000089047 · never reused
Internal UUID01a0ae9b-daff-7935-9bdf-16d79535ef15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089047
StatusPUBLIC

Content hashes

Canonical text824011483e3e7e6becc2e081de1c4e25239e673b8f0b8540f01f9ca6de9811bd
Markdowncf6e3242bc94bc6e6f7eb6c27458e328d2746fdb93e05ba98bfe0f9a691afad5
PDF
Publication page2afe7ebf4be418f461e4ef3b4b39b1728a7d9555eeb8c50cd5244179198d6cff
Manifest4de2e3645f002d6b12a789e9c1657a7dc23e159d48dd4c585c81e581c41d579d

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
SignatureHiwH+SRzQm8CrRRzDs6zBls5ycsW1lK9niownOSet7v+3dXj+YuRzOBGg7u+Iqr03HjlghESbUNKTj+z8WxNAg==
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

2026-09-17T09:46:56.727047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089047
observed 2afe7ebf4be418f461e4ef3b4b39b172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.708772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089047/manifest.json
observed 4de2e3645f002d6b12a789e9c1657a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.690832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089047/publication.md
observed cf6e3242bc94bc6e6f7eb6c27458e328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.673957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089047/publication.txt
observed 824011483e3e7e6becc2e081de1c4e25...
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.