OpenTechnical

OT-2026-000033227

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000033227) never changes.

Identity and time

Publication numberOT-2026-000033227 · never reused
Internal UUID01a0ae75-4845-70ec-b884-e519f747f57c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033227
StatusPUBLIC

Content hashes

Canonical text1550216b485aee18cb4d32f51a17274b12644995b5ad11934c337f55252bdaaa
Markdowna11be956f17a39a295c6006ef476901a0b691c6249d756c2dea56a537bbfd1e7
PDF
Publication page9713a1a554d6883d1b31905dce3c25c962c75c70868969d26c344df5c3606e32
Manifest3f9978f029bcb52e96198f41e62f8e402c2771b774305048381fea417f9a21d5

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
SignatureJfOgHPTsfc9Y7QXFvovTSMNtvtm5lLClLhj0zWBahgneGadgE+stXyl6lAGei1N0FpwwCPtfQrmUEKxT5SXiCQ==
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

2026-09-17T11:32:55.937354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033227
observed 9713a1a554d6883d1b31905dce3c25c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.920006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033227/manifest.json
observed 3f9978f029bcb52e96198f41e62f8e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.902374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033227/publication.md
observed a11be956f17a39a295c6006ef476901a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.881432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033227/publication.txt
observed 1550216b485aee18cb4d32f51a17274b...
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.