OpenTechnical

OT-2026-000059638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000059638) never changes.

Identity and time

Publication numberOT-2026-000059638 · never reused
Internal UUID01a0ae89-ec24-79eb-a246-38df4979c61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059638
StatusPUBLIC

Content hashes

Canonical text247621da264af365f0976a061fcec1394b51900a233aec97bcef2e41abe5e636
Markdownacc8e30ff95f3c040bded2935d7c9d14a119d85838a9929284812916ba782c4f
PDF
Publication page4636ada7d2a64fca13eba06341e57e16427bb9247ba1c2c50763982f50190676
Manifestebfe35f1f06da2931ba8db6fae87b2063f9bf281ce1764c0c1e4eda5f8799cfd

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
Signature2IV78Lqn9DvuzmL5U1cQwV8ysnHoPN5nPJDT32sfV3Mhi9rY1zqk7huxovs4pm/9296BpWzztjd5xO6j48jeAQ==
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...

Independent retrieval

2026-09-17T10:44:19.767809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059638
observed 4636ada7d2a64fca13eba06341e57e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.749116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059638/manifest.json
observed ebfe35f1f06da2931ba8db6fae87b206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.730751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059638/publication.md
observed acc8e30ff95f3c040bded2935d7c9d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.711141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059638/publication.txt
observed 247621da264af365f0976a061fcec139...
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.