OpenTechnical

OT-2026-000093158

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000093158) never changes.

Identity and time

Publication numberOT-2026-000093158 · never reused
Internal UUID01a0ae9e-0910-77cf-82cf-9e4bf446b556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093158
StatusPUBLIC

Content hashes

Canonical textd586371f2ac9196c32ffc659d9a51be39dfe6f63e96292e1311812eb67ccabde
Markdownb77c1b0c1f11db8c3cf35551b2fa01888dfa267b83de5f6af5d1b4bc8bd8eff2
PDF
Publication page9371451e99a1d87810d6c371cc7caa4a15fc41b5f1d0377ac34ae469c1dff82e
Manifestfbbb8d74f476452a3dac1654591cec9232201b095d361e49177634e9423507a0

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
SignaturehCvPrjuEpOXMzzRnqZw5poM94zb6CpQfTmFwpXoSJbJxIP35HnWS4JkIONmfMG+3doLdpX27Q/LWRoBeWRO3AQ==
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

2026-09-17T09:40:27.339828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093158
observed 9371451e99a1d87810d6c371cc7caa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.323236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093158/manifest.json
observed fbbb8d74f476452a3dac1654591cec92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.304944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093158/publication.md
observed b77c1b0c1f11db8c3cf35551b2fa0188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:27.285278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093158/publication.txt
observed d586371f2ac9196c32ffc659d9a51be3...
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.