OpenTechnical

OT-2026-000089414

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000089414) never changes.

Identity and time

Publication numberOT-2026-000089414 · never reused
Internal UUID01a0ae9b-db01-7b6c-ba53-6ea2a4a2cb34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089414
StatusPUBLIC

Content hashes

Canonical text2d54ccc2948fa229e47b462aca5d776e158ca0b4dc6fdc3f1e326a9a49f2ba47
Markdownb71c7c2bdc5edcbc3fe9ecdd6d1c7369fc6f4e7d77d5d02b6d567b4594f8e56f
PDF
Publication page228de07c31750ced33759a56a20c16f151e7ce32e86295e1d98bc627cf518563
Manifest9ae1b3e56193918606444dfa7dda1cedf61e55824cf53ab263c9d5f86af5ce4a

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
SignatureE8YV2EvnhskScQeiTvYVrwlvXDkVEwdX13GN/JPC8edOkfO3q4h49bthKakxxcZZHbmvmFfOXU4X4pVTjQosBg==
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

2026-09-17T09:47:33.330698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089414
observed 228de07c31750ced33759a56a20c16f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.314971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089414/manifest.json
observed 9ae1b3e56193918606444dfa7dda1ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.298844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089414/publication.md
observed b71c7c2bdc5edcbc3fe9ecdd6d1c7369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.283165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089414/publication.txt
observed 2d54ccc2948fa229e47b462aca5d776e...
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.