OpenTechnical

OT-2026-000074695

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074695) never changes.

Identity and time

Publication numberOT-2026-000074695 · never reused
Internal UUID01a0ae93-ac2b-7b2b-924c-e4ed57d03845 · 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-2026-000074695
StatusPUBLIC

Content hashes

Canonical text8622321d6540d73cdd1df31f895e157cd7ca667b24e9d1dc969361905841724f
Markdown791f8adf90ee0d8ddc0f309adb3d7ef886e11e4b1a0a5a847e358739cd5c9b60
PDF
Publication page9b9845c65a1322160274c8d060f64d64a8c96c04ec108b6cda9777d80791f5ae
Manifest9c7dde32d2422fe442778a5e875bfa43453d3f60e6c8f7626a83d77b0fce48ac

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
SignatureFZ1W3DnD3IkB/yVEp31yLV0rRIdguSTRoFEWaJ9/UttfjXjOJL613cG+KCpdv1ZKIxXeEcBiJDBwrcmZaAOkAA==
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

2026-09-17T10:18:17.055530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074695
observed 9b9845c65a1322160274c8d060f64d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.037699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074695/manifest.json
observed 9c7dde32d2422fe442778a5e875bfa43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.018901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074695/publication.md
observed 791f8adf90ee0d8ddc0f309adb3d7ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.999399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074695/publication.txt
observed 8622321d6540d73cdd1df31f895e157c...
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.