OpenTechnical

OT-2026-000054183

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000054183) never changes.

Identity and time

Publication numberOT-2026-000054183 · never reused
Internal UUID01a0ae85-b3a8-77cc-a03d-b551c21bc169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054183
StatusPUBLIC

Content hashes

Canonical text4d7ac5f586e46f87a183753fbfe55ca9a072607cbfa6e95a1f285d7b99e0bf5a
Markdown37ec14401953810650e4cb897cb263e919ed7c550446db0cca75773b99fc7554
PDF
Publication page419588a48835f7ddb4dc46824f6344cdf86a094aae1c74800a914ee60519e921
Manifesta3698fe35351097d9768526fe4285e56cb10ba7f9b9f675afa7ffdc5c6bdf148

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
SignaturesH/Oya3ahLH2zD3buIKXOkg04gSyexAuHGmDVJE0x1dbBb39QtpeCOupaQpgg4Ab7MucqNLe1anPo7f0dUBeCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:26.518674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054183
observed 419588a48835f7ddb4dc46824f6344cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.501289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054183/manifest.json
observed a3698fe35351097d9768526fe4285e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.483200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054183/publication.md
observed 37ec14401953810650e4cb897cb263e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.463626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054183/publication.txt
observed 4d7ac5f586e46f87a183753fbfe55ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.066266ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054183
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.050053ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054183/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.035089ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054183/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.018309ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054183/publication.txt
observed ...
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.