OpenTechnical

OT-2026-000015696

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000015696) never changes.

Identity and time

Publication numberOT-2026-000015696 · never reused
Internal UUID01a0ae6e-0c4b-711f-b6f6-493c26a96906 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015696
StatusPUBLIC

Content hashes

Canonical textb890ba2a7c79ffb783ac22f62f4281a8310d18760426bb6d9afa52b3f0689db5
Markdown8152a496762afefbb6c71f92cd1eada243c6186e24728af8ee76bc741533322c
PDF
Publication pageebb22484d3c63d2796ed63aaa83d14bcd79c4853e9663d61fd498ab9970d5e78
Manifest3ac0bdc085e3117878526927ccf10599938fea4d1c1a7e6685940757b2f833d8

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
SignatureGHdZl6JszzU2qihkvxl6NWfL/lTwQOH38qCxYBesNDOHH+0mkj1FhekqkJ0UGkQqI1SrdIHNQB4+cgDycoAZCQ==
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

2026-09-17T12:04:58.403673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015696
observed ebb22484d3c63d2796ed63aaa83d14bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.386961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015696/manifest.json
observed 3ac0bdc085e3117878526927ccf10599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.369468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015696/publication.md
observed 8152a496762afefbb6c71f92cd1eada2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.352489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015696/publication.txt
observed b890ba2a7c79ffb783ac22f62f4281a8...
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.