OpenTechnical

OT-2026-000016700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000016700) never changes.

Identity and time

Publication numberOT-2026-000016700 · never reused
Internal UUID01a0ae6e-5918-7e4b-8d6a-c7a7da352729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016700
StatusPUBLIC

Content hashes

Canonical texte272641a4f4bf622bdb4c4d00fe2dbbf63574f35c68253e7168a46fd85e897e0
Markdownf7cccdf067ad6250928695fb5fec24bcf0ad4ef2495afa2f5c5ca2baed7cd927
PDF
Publication page22aac9e496e7099ac2654167eee4c3a61aa91ee88cfc23264a7a384a7e0901af
Manifest552412b11e738f27895b985facfe75fc9641321a0c8dd7fde5334a60e6186596

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
Signature9/t+9RVX6mS7rTYGRKVE/CRofPn3kRqmnflwsIFRt8XZgz5jKi3VBr1R1/rY48ci/SGfteE3vzop7Mar3/I0CA==
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

2026-09-17T12:02:55.430996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016700
observed 22aac9e496e7099ac2654167eee4c3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.412025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016700/manifest.json
observed 552412b11e738f27895b985facfe75fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.393114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016700/publication.md
observed f7cccdf067ad6250928695fb5fec24bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.374668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016700/publication.txt
observed e272641a4f4bf622bdb4c4d00fe2dbbf...
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.