OpenTechnical

OT-2026-000044760

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000044760) never changes.

Identity and time

Publication numberOT-2026-000044760 · never reused
Internal UUID01a0ae7c-911a-70c8-9207-5907272b60be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044760
StatusPUBLIC

Content hashes

Canonical text17cc261f41b200cb60e6cddd2d27586809a469324b92e5d87915c227c5b06148
Markdown703a5a09e52f627b2765c12c9c9618b9505a75ad4da47001fa715870afbfb536
PDF
Publication page699c807a9ec12d2c8558f00c1e7652be67b12fe7c02f12b91f881180a136fe74
Manifest3393b2f7360057fffa157e5951660211cc309c44b1555ca13afa21359902191f

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
SignaturePuXtiM4a9DPC5+YxOAmfTBW6LxQR1/Fg+09RNFbaBfISM7UWLc9yJNDdJzqooLS2rQXLL6Blb3xhcuqvUEtADQ==
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

2026-09-17T11:11:22.772014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044760
observed 699c807a9ec12d2c8558f00c1e7652be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.753853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044760/manifest.json
observed 3393b2f7360057fffa157e5951660211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.735301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044760/publication.md
observed 703a5a09e52f627b2765c12c9c9618b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.717929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044760/publication.txt
observed 17cc261f41b200cb60e6cddd2d275868...
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.