OpenTechnical

OT-2026-000068999

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068999) never changes.

Identity and time

Publication numberOT-2026-000068999 · never reused
Internal UUID01a0ae90-6dcd-7ecd-9479-3da79530d49f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068999
StatusPUBLIC

Content hashes

Canonical text60e9cb1f66d0f1e2c7362ab2118ba188d94f40af6248f8d15a4c298bda61513c
Markdown304d9205efcc4a746aea3471079c7f9cbc9a6d3d1658e0f98fadf431c5f1fb74
PDF
Publication page743a15dc9af5d4cfddaee88edce4d74f0e077b0c3710785f156d3af2e9aa56a8
Manifest4a2ebc081bd947ddfc83466f66be2c83a551a84c63ad58fc7987b85ea915fb1b

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
SignatureIfkihtC03AzjtK0Min0L9pn9JjqZBoDSI+wHme/6RvunCp6FSvkbFEqIc52uyrfpWPtcXoKeskZWpPKfTgaEAw==
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

2026-09-17T10:28:50.744450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068999
observed 743a15dc9af5d4cfddaee88edce4d74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.727310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068999/manifest.json
observed 4a2ebc081bd947ddfc83466f66be2c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.708848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068999/publication.md
observed 304d9205efcc4a746aea3471079c7f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.692318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068999/publication.txt
observed 60e9cb1f66d0f1e2c7362ab2118ba188...
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.