OpenTechnical

OT-2026-000085100

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000085100) never changes.

Identity and time

Publication numberOT-2026-000085100 · never reused
Internal UUID01a0ae99-43b9-702f-a799-82ce7b79d7d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085100
StatusPUBLIC

Content hashes

Canonical text274aba2d5770e3306dec37c42032f69f2b71cbd0d54b167e2ab5af4d56970761
Markdown3cc7c4e2cfed844f802314b8e0a2b4ad6ae9e5081ed58053d08007cbe8173774
PDF
Publication page0369fc5a4913e317f6dda2a95adc9231c0d86fbb4703790929fa854fc81cc0a3
Manifest5024ec2bb0c39b337519a26382f1c69d90cf911aadcc7de62607db62a355197e

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
SignatureZXF7+QCPBhsq7j0Dx55pxPm8wdGqJSi+cGVMtq0X+BlgEgEDhz3fVtQ1ArUp/9DHwnE5bWilsR3DybqnLhfQCg==
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

2026-09-17T09:55:10.050203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085100
observed 0369fc5a4913e317f6dda2a95adc9231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.030711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085100/manifest.json
observed 5024ec2bb0c39b337519a26382f1c69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.013638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085100/publication.md
observed 3cc7c4e2cfed844f802314b8e0a2b4ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:09.996877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085100/publication.txt
observed 274aba2d5770e3306dec37c42032f69f...
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.