OpenTechnical

OT-2026-000023559

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023559) never changes.

Identity and time

Publication numberOT-2026-000023559 · never reused
Internal UUID01a0ae70-7269-7e62-88a8-9f62ae124744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023559
StatusPUBLIC

Content hashes

Canonical text5e82d10beff063934d5987734ced2e7cfefbf31ab4e4388fdb616f8e4c70f183
Markdown3d7b47a554898dfaf560ebeebae2a86b56a13601e5da242670ad17825fa36df7
PDF
Publication page4a3fe569776189a4fe8395d299a2dc54af9606781f9e38066fdc77b8da0fb352
Manifest08f567284eaf9a4dc7db93b3c80a4a3748f776dedf34a6ca45e14abf914177e0

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
SignaturelY/tYbtl1m6SMBB5iZx7NvmPvr7UOLyuCVXMaFiNHTm11m9kodsw6mQqxOI46BnUYEz4YvIdUOq6Ck9Fe1Z2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:51:54.506537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023559
observed 4a3fe569776189a4fe8395d299a2dc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.489598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023559/manifest.json
observed 08f567284eaf9a4dc7db93b3c80a4a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.472117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023559/publication.md
observed 3d7b47a554898dfaf560ebeebae2a86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.452992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023559/publication.txt
observed 5e82d10beff063934d5987734ced2e7c...
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.