OpenTechnical

OT-2026-000088053

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000088053) never changes.

Identity and time

Publication numberOT-2026-000088053 · never reused
Internal UUID01a0ae9b-1aa7-79da-a412-fcd77aed15a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088053
StatusPUBLIC

Content hashes

Canonical textea0f522d6a935766ac54c8f978f4a9b16f554eca4daec4f969321afe4551f791
Markdown69ef86dd4a3d38c4e65b07d88033b7d0684521f3d9f368d81570a8f669980d55
PDF
Publication paged37a10165c8388cb4237d0020fc7983bab66066117071493be3cf9fa01d4d527
Manifest6db3d592e6165d4f0c3a54a6bc79075bf349667c7adf581245681403b7513ba9

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
Signature7x+YPnFDPUlp+NhQHVTf31CKqFxmrAVTFkIcg8F7yare5NoJZVe8elezR8aKWkmA7UQjUAyT8aNxiedvq6l2AA==
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

2026-09-17T09:49:27.091629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088053
observed d37a10165c8388cb4237d0020fc7983b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:27.073051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088053/manifest.json
observed 6db3d592e6165d4f0c3a54a6bc79075b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:27.057033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088053/publication.md
observed 69ef86dd4a3d38c4e65b07d88033b7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:27.039922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088053/publication.txt
observed ea0f522d6a935766ac54c8f978f4a9b1...
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.