OpenTechnical

OT-2026-000101197

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101197) never changes.

Identity and time

Publication numberOT-2026-000101197 · never reused
Internal UUID01a0aea3-c378-7191-b9bd-4f83c339f404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101197
StatusPUBLIC

Content hashes

Canonical text614b9c86ab3df998f8bbea6ef9ddbf4279acb021e3d8a60a18713376d5ec30b7
Markdown56c5120c75a9cfe3e67538d08b0dd5889d956164302cdaa04b4fd596b2b2adf2
PDF
Publication page38f251f1b157e07273028ac5a6bece454851f22ca9041295f0981ec52090953c
Manifestc703382676ce12a8708bc6f2f350ac193b8ab9116358b1232550c73d8ac800bc

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
SignatureMnpyU/ff/X5L73wL+Po0gIP0ZHH39QuSjeV5AP3cIZw2d6hDJTomVB5XHEvfKnGOlybFMH1IBOju2J3IMajEDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:50.787779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101197
observed 38f251f1b157e07273028ac5a6bece45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.770500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101197/manifest.json
observed c703382676ce12a8708bc6f2f350ac19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.752751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101197/publication.md
observed 56c5120c75a9cfe3e67538d08b0dd588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.734656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101197/publication.txt
observed 614b9c86ab3df998f8bbea6ef9ddbf42...
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.