OpenTechnical

OT-2026-000012001

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012001) never changes.

Identity and time

Publication numberOT-2026-000012001 · never reused
Internal UUID01a0ae6d-1943-7465-81d3-1b5b8aa3f4f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012001
StatusPUBLIC

Content hashes

Canonical text474069f3780dfa2db69a4195dcacb5a677c31717ccb040f333e3bc0feaf43076
Markdown73f2a864a421765ef9406924e9ca2b07c401e536c75b9c2e512e72bf7ad17cf5
PDF
Publication pagebd02e47e84187c772da4e818bde53d0d8cff71d5b690314985c270f0f799fba6
Manifest32627ef1994bfe5da1041c77bbcbb5cafd8d9a5ff09498a2f87aa8db313f85f8

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
SignatureEgzPIEuPOb7uMt7C5uLqtRmO1DXGUBeK1tBROhEkFFvr8vaZkWbX/WlaXTFKmkhTOmp56JPoE5vf1crBwI68BQ==
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

2026-09-17T12:12:51.950776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012001
observed bd02e47e84187c772da4e818bde53d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.932181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012001/manifest.json
observed 32627ef1994bfe5da1041c77bbcbb5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.912990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012001/publication.md
observed 73f2a864a421765ef9406924e9ca2b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.892235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012001/publication.txt
observed 474069f3780dfa2db69a4195dcacb5a6...
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.