OpenTechnical

OT-2026-000087314

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000087314) never changes.

Identity and time

Publication numberOT-2026-000087314 · never reused
Internal UUID01a0ae9a-cd4e-7ea1-8a1a-986bcbae106b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087314
StatusPUBLIC

Content hashes

Canonical text7cc413bc94beb4f941cd63fc7ecde1204bdac290f8d10e387689c53b9b66f198
Markdown37fae943b852e725bdf0fba58ea9ff792a43309d5648c15260e82b0fe893489f
PDF
Publication page25b9266ed09ce61e081e4812a78164a55b1c269956afc54e88dbc17af7c19877
Manifest7177ec77110aa411bca9c03a4199be2b4a417ff6ba254d965d2f60ea17fc7e57

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
Signature4tSfIY79lg8QuPn9ITkpWqDPAQgTn2rNQ4afXjYOuD6Mt+OfZGpp1JZjc3wQjROU20B0SWX/NM5NsSTNSfNWAA==
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

2026-09-17T09:50:28.631897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314
observed 25b9266ed09ce61e081e4812a78164a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.615382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314
observed 25b9266ed09ce61e081e4812a78164a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.614827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314/manifest.json
observed 7177ec77110aa411bca9c03a4199be2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.597879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314/manifest.json
observed 7177ec77110aa411bca9c03a4199be2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.597513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314/publication.md
observed 37fae943b852e725bdf0fba58ea9ff79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.580126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314/publication.txt
observed 7cc413bc94beb4f941cd63fc7ecde120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.579100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314/publication.md
observed 37fae943b852e725bdf0fba58ea9ff79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.561901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087314/publication.txt
observed 7cc413bc94beb4f941cd63fc7ecde120...
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.