OpenTechnical

OT-2026-000085125

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000085125) never changes.

Identity and time

Publication numberOT-2026-000085125 · never reused
Internal UUID01a0ae99-43b9-7e7c-bdc3-ff6601196898 · 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-2026-000085125
StatusPUBLIC

Content hashes

Canonical textdf9ce6ed5c0d256e7b5a7edcb4270951efd64f1b1a8f5b1bf05e985e8967e7cd
Markdownb3e6e00e874c95346282c73f184e0db35f75f287118135c15de9052e8a940b0c
PDF
Publication pagec669d8a7aa787c98439e0cfed64e4d4b31540a802491610c907f46ea28d50841
Manifestc829759d38dc886bcaec3aab7be4a91a737f1186f5fe78a5eedd5acaf1fd812c

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
SignatureTnuaVcBvu2JtOOH5SAvOJMR8QzVCUlOVRIoVPzCRJQpUqFpyc/uEm4NnhYvDYBSzYZGVojk5bxTYoS4CM/3qCA==
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

2026-09-17T09:55:11.922641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085125
observed c669d8a7aa787c98439e0cfed64e4d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.905359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085125/manifest.json
observed c829759d38dc886bcaec3aab7be4a91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.889252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085125/publication.md
observed b3e6e00e874c95346282c73f184e0db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.872275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085125/publication.txt
observed df9ce6ed5c0d256e7b5a7edcb4270951...
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.