OpenTechnical

OT-2026-000040922

Publication integrity record

Foam pad vacuum gripper, single stage ejector, sustained 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-2026-000040922) never changes.

Identity and time

Publication numberOT-2026-000040922 · never reused
Internal UUID01a0ae79-6d10-7267-a3a6-d67e5e69e423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040922
StatusPUBLIC

Content hashes

Canonical text89fe9fc617c70e9eadf40d23360a696a309fd71d066fc058ceabbdeb52f5c23e
Markdown71b19d4c1e6d125ae30be13131603e3b5811b1f2b3c74e91e4c9fe5ade66bd50
PDF
Publication page63eb6a8a58a1b3648f909765369379aedc32da9b0bb9c8f807c131c6832f685d
Manifest7a74d1a09368e23921249f716cd38b9811d3c229173f3a6dca218597fae89b70

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
SignatureoXsIaAiPe90NXboQ2GIh2R7CAlM2rqkRIsSmkRmTPcmEY+xZ3OOP3CIlQNY+0/USUX78Q0J2cbOInu8nbHSADw==
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

2026-09-17T11:20:18.832599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922
observed 63eb6a8a58a1b3648f909765369379ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.816020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922/manifest.json
observed 7a74d1a09368e23921249f716cd38b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.798247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922/publication.md
observed 71b19d4c1e6d125ae30be13131603e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.779822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922/publication.txt
observed 89fe9fc617c70e9eadf40d23360a696a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.808707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922
observed 63eb6a8a58a1b3648f909765369379ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.790973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922/manifest.json
observed 7a74d1a09368e23921249f716cd38b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.775503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922/publication.md
observed 71b19d4c1e6d125ae30be13131603e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.758188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040922/publication.txt
observed 89fe9fc617c70e9eadf40d23360a696a...
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.