OpenTechnical

OT-2026-000023138

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000023138) never changes.

Identity and time

Publication numberOT-2026-000023138 · never reused
Internal UUID01a0ae70-7266-7afc-80c6-7a63403ab3ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023138
StatusPUBLIC

Content hashes

Canonical text8efaf5c5869e9835e44780622422862afd4ed77616693e999a43419af8786aa8
Markdown9e1061e6e68cbefbbbf1e3771fa52b3fa156b5c46ed6c3fd815e0578a0868fc6
PDF
Publication page8a4ce86de694519791d5e7c335e38c4b6f7eccbeac8132a0808c898c343dbad7
Manifesta7f1223b8178518c77d2556c21c2b8c9034c2bae7d7fb00ce1e5ee1bfe20d5d8

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
SignaturefDWum2/FV9cgGU8XtGXlAlBMiGcgl7DvZzWtweia3Vm51+sti55vRbmuQNK7DKiGcdRSsXb14IQxVSRbS+/sAg==
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

2026-09-17T11:51:04.288769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023138
observed 8a4ce86de694519791d5e7c335e38c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.271859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023138/manifest.json
observed a7f1223b8178518c77d2556c21c2b8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.254558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023138/publication.md
observed 9e1061e6e68cbefbbbf1e3771fa52b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.237138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023138/publication.txt
observed 8efaf5c5869e9835e44780622422862a...
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.