OpenTechnical

OT-2026-000074951

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074951) never changes.

Identity and time

Publication numberOT-2026-000074951 · never reused
Internal UUID01a0ae93-ac2d-71ef-8887-435355ad105a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074951
StatusPUBLIC

Content hashes

Canonical text8f7d8d0aa994271469d06219791b7419e8c65be1230fcf72141950297e34ccb5
Markdownb39c32d5c986c0c3df7252a051d85db23674fcd9a9c17b541da3ce5ae6bea1e6
PDF
Publication pageda3cf13109f26c2cda5757695cf2f7fc6c16e8d17dc6a652c2a6ae1627ca4f1b
Manifest5dde634e7d9388051a540a453ecc210b0751b68dfee7a6f41a1c525d17c17105

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
SignaturemEu1S+CBsAi7dy+Fl4eNP02A10eP3JZgq+K0oBqBKx9r5d9wCzu7bzTzHBLObq707EqT4+XebpLOGGb6e8aZAA==
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

2026-09-17T10:18:44.893686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074951
observed da3cf13109f26c2cda5757695cf2f7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.876031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074951/manifest.json
observed 5dde634e7d9388051a540a453ecc210b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.856422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074951/publication.md
observed b39c32d5c986c0c3df7252a051d85db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.823731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074951/publication.txt
observed 8f7d8d0aa994271469d06219791b7419...
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.