OpenTechnical

OT-2026-000025069

Publication integrity record

Two cup vacuum gripper, two 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-2026-000025069) never changes.

Identity and time

Publication numberOT-2026-000025069 · never reused
Internal UUID01a0ae71-2729-7f53-93a5-f8b45b934a46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025069
StatusPUBLIC

Content hashes

Canonical text65df3f7251dd46359e67f48ac278fe87aaeb9d323d1021b6d44093912821d94e
Markdownf6c1c5ce7050c284ec6283d4eebb329d81b68eae38366d67b2d693991ddd35b1
PDF
Publication page1998f6739d02c7d667a45cc49a0b01125f4908f6cdffacfc39fc8dc0c672c520
Manifest2c259353a5eaf8d2d7d8ddd18bd4c529178509a9fad227c28293c0b3671ac833

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
SignatureEGKxU8up4EcT9CPehTKQ1bS8ckGn6HBJ+f41Xf+eQTZGpB1t4hvT3cERg2lO3ELUDyHwXs28eP4pP8tnE9TODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:28.892537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025069
observed 1998f6739d02c7d667a45cc49a0b0112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.875714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025069/manifest.json
observed 2c259353a5eaf8d2d7d8ddd18bd4c529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.857894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025069/publication.md
observed f6c1c5ce7050c284ec6283d4eebb329d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.834684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025069/publication.txt
observed 65df3f7251dd46359e67f48ac278fe87...
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.