OpenTechnical

OT-2026-000050918

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000050918) never changes.

Identity and time

Publication numberOT-2026-000050918 · never reused
Internal UUID01a0ae82-c7b3-74ef-b2d3-5dd5736dd1d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050918
StatusPUBLIC

Content hashes

Canonical text37e467a249a439028cbe23f4a9b00e0d1016b51329d49e7ad380a6658c7863a1
Markdownd64eb76baac3cea3703808dbdf5ad153539367a8fc4e1da0734e7ddb672264e2
PDF
Publication pageab75eb4693b8660bb892903c9f525465eefc830f643050b0852e7f49d8b35d28
Manifestc9095d8869d67255598b87a6a92ad168a3dd440d99126c2f336cf59e7aecfd85

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
Signature8Umd+8d8UXBhpaz+4moiAKXeFnopsUcFkfF9loC0fLy4FMedZvISCZh5fUquJxRJ2BCdTAkVmGVFJcuob9hXCA==
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

2026-09-17T11:00:40.511907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918
observed ab75eb4693b8660bb892903c9f525465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.498750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918
observed ab75eb4693b8660bb892903c9f525465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.492792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918/manifest.json
observed c9095d8869d67255598b87a6a92ad168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.477896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918/manifest.json
observed c9095d8869d67255598b87a6a92ad168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.473255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918/publication.md
observed d64eb76baac3cea3703808dbdf5ad153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.446744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918/publication.txt
observed 37e467a249a439028cbe23f4a9b00e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.444163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918/publication.md
observed d64eb76baac3cea3703808dbdf5ad153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:40.417934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050918/publication.txt
observed 37e467a249a439028cbe23f4a9b00e0d...
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.