OpenTechnical

OT-2026-000015827

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000015827) never changes.

Identity and time

Publication numberOT-2026-000015827 · never reused
Internal UUID01a0ae6e-0c4c-770a-b745-dff933405fe5 · 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-2026-000015827
StatusPUBLIC

Content hashes

Canonical text7047b0cf248452cd3fa84194e37d87caccf74a6c65dc6cd96410e5eb0e47e5b8
Markdownafce54d671d7b5b0e258e65523abd67c6d05ac30a02467be1c81eba2a5f815fb
PDF
Publication page57652ba5e81d1e215491aeed690ff77992e1deff0eb284a02bb7b3fc46f63bd5
Manifest3df478885ff990a20be013f8eb214ba6ce64aa0a4a8e7abe7dd180e0b0b52d7d

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
SignatureTjZuOcatK7winoTGW6St8jLwqOBBXRh3pZ2iBrmGzoGJFP1KHB9bIkH3dmv1zuRATLb2oUgmk2Nt+29TxSO4CQ==
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

2026-09-17T12:05:08.747890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015827
observed 57652ba5e81d1e215491aeed690ff779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.726541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015827/manifest.json
observed 3df478885ff990a20be013f8eb214ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.706637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015827/publication.md
observed afce54d671d7b5b0e258e65523abd67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.687215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015827/publication.txt
observed 7047b0cf248452cd3fa84194e37d87ca...
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.