OpenTechnical

OT-2026-000054711

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000054711) never changes.

Identity and time

Publication numberOT-2026-000054711 · never reused
Internal UUID01a0ae86-1284-79b1-9b63-10fd5efd46c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054711
StatusPUBLIC

Content hashes

Canonical text8db409076424f6c66c37f3282c2a63cc8381a914b6c9833f99bdb553fb5afb65
Markdown7a92685b3d3145c26fb5d0f6614c84de34ec780eff601abedab5c3cfb8643367
PDF
Publication pagea38b13986923ff3890e2ad0f66a5eb4e8f007eaf0531dc4f3096eada5041222d
Manifestba2c9a0fe86938ccf95f3f352d465b2c475d5a8e8c76417875d5fd03b9f56428

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
Signature8AnsaSWYkaySqcWubpTOfVo8wtAYAJbqKA7BX2pwwrkJgR55KMiBvN89vIQ1JkpseglOR8s2VXQ6lf54BGPVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:46.200086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054711
observed a38b13986923ff3890e2ad0f66a5eb4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.180641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054711/manifest.json
observed ba2c9a0fe86938ccf95f3f352d465b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.162233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054711/publication.md
observed 7a92685b3d3145c26fb5d0f6614c84de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.142039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054711/publication.txt
observed 8db409076424f6c66c37f3282c2a63cc...
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.