OpenTechnical

OT-2026-000013632

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000013632) never changes.

Identity and time

Publication numberOT-2026-000013632 · never reused
Internal UUID01a0ae6d-8de8-7512-a60f-5a8dd5895c15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013632
StatusPUBLIC

Content hashes

Canonical text21242f9857d892d8285c19100e4a35ef98d106d64829b707defc97af26a5388c
Markdown6a9ccc4905040c13af79e0aa908d4e9db1b9f657647a34f1a73c6c34866f51c2
PDF
Publication page63583e391598be9fc637ff73b036cd12f06830ebfbff3b250e3490c1d028f4fe
Manifeste7a51d1a937c84309edeaddd7f128de1e554e22bf78ea846818cadfbb66c90a7

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
SignatureZ1cjzHfx778MM0SokSOtqX6lia3/LGZMEHQSB3ey5OrdW543cTOdospJkpBsl6vjkQX4b9JQHSxSaXLQOkq3DQ==
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

2026-09-17T12:10:32.934243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632
observed 63583e391598be9fc637ff73b036cd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.915724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632/manifest.json
observed e7a51d1a937c84309edeaddd7f128de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.896954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632/publication.md
observed 6a9ccc4905040c13af79e0aa908d4e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.877706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632/publication.txt
observed 21242f9857d892d8285c19100e4a35ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.969314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632
observed 63583e391598be9fc637ff73b036cd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.949934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632/manifest.json
observed e7a51d1a937c84309edeaddd7f128de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.930405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632/publication.md
observed 6a9ccc4905040c13af79e0aa908d4e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.911154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013632/publication.txt
observed 21242f9857d892d8285c19100e4a35ef...
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.