OpenTechnical

OT-2026-000050993

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000050993) never changes.

Identity and time

Publication numberOT-2026-000050993 · never reused
Internal UUID01a0ae82-c7b4-75d2-a2bb-279b42e11638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050993
StatusPUBLIC

Content hashes

Canonical text9b3abc2145c449e9ca5a52d79e8ae41b34de17e862d6b35c16b9314e8078ea5a
Markdown9dce1a4e23a8e08362a6192e47daaa16be98e397633434cfedfcb7a3aa41c1f9
PDF
Publication page9e63f13ca5b9830c56058fce56082704fe495abbb9e17f335372bad5df0eb55c
Manifestd0da75b078fa61e5e00c482423f8ffd4ecf210d7626af3446411dfc05ec43447

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
SignaturevRMEioPxCCLD/nC97SVwsj5ggBUS0au1dqsg185JrE7wk+1QwNgCMCwFvuw7Swk7UDT46zQZh33uPmCuRVNABA==
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

2026-09-17T11:00:53.354658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993
observed 9e63f13ca5b9830c56058fce56082704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.334686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993/manifest.json
observed d0da75b078fa61e5e00c482423f8ffd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.316782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993/publication.md
observed 9dce1a4e23a8e08362a6192e47daaa16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.299894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993/publication.txt
observed 9b3abc2145c449e9ca5a52d79e8ae41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.296499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993
observed 9e63f13ca5b9830c56058fce56082704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.277417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993/manifest.json
observed d0da75b078fa61e5e00c482423f8ffd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.260190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993/publication.md
observed 9dce1a4e23a8e08362a6192e47daaa16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.239874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050993/publication.txt
observed 9b3abc2145c449e9ca5a52d79e8ae41b...
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.