OpenTechnical

OT-2026-000089205

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000089205) never changes.

Identity and time

Publication numberOT-2026-000089205 · never reused
Internal UUID01a0ae9b-db00-7951-a83a-7f95a9679d4a · 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-2026-000089205
StatusPUBLIC

Content hashes

Canonical textda9f3ad190092a84b2556b3419dd876662949e132c4735dea794682aa661806f
Markdown71f41b8f43e564a46031ed4696f9d5edf52efe645e9e3516db141321e91cfd91
PDF
Publication pageaf1a78fb922b4acc15b141fc4358bcf8b5ef4e5499b7f858c5e25495b911dc33
Manifest64bdf6656d45e89c0c55a2fd32c6c2c459d2971f1f84fcabfca7aba0a4b410fb

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
SignatureaVCMALO/8ZlYxy8y5yzZujbLcDHjhM2o6SzngSlhQ0xwdFQuc4e9H9IQpcT5zUe9FAT3fU9YPf/MVVRNs579Ag==
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

2026-09-17T09:47:13.498283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089205
observed af1a78fb922b4acc15b141fc4358bcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.480809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089205/manifest.json
observed 64bdf6656d45e89c0c55a2fd32c6c2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.464010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089205/publication.md
observed 71f41b8f43e564a46031ed4696f9d5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.446201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089205/publication.txt
observed da9f3ad190092a84b2556b3419dd8766...
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.