OpenTechnical

OT-2026-000095144

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000095144) never changes.

Identity and time

Publication numberOT-2026-000095144 · never reused
Internal UUID01a0ae9f-8f6e-7072-a7e2-9a1344aea452 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095144
StatusPUBLIC

Content hashes

Canonical textbef7a11034b0a0127fbee25267fb0921a9adf4a48d276ee06ad6a18f98c79c3a
Markdownc8e4453259bbede9b78572a984c57cdb7b212f5d9503c0bf5f00a87cd5a5a4e7
PDF
Publication page2abb8d31e8dbdbadf6c8206ceabfca2525ba454a0d0d65ae1473056ba9277862
Manifest8db0f5fa6c8aac6ef1279b3a3d4b27ce1fc39bec2e9b2293c659825a29081d61

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
Signature1J8BwhhaQvWcYVLi29tmuKLnKv4bleiDuCilZ0J7/KntxNfOgVFwa8S855SIZmvN9LJJsHnRTsCzi2xxnto2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:26.526524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095144
observed 2abb8d31e8dbdbadf6c8206ceabfca25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.509016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095144/manifest.json
observed 8db0f5fa6c8aac6ef1279b3a3d4b27ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.489708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095144/publication.md
observed c8e4453259bbede9b78572a984c57cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.471456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095144/publication.txt
observed bef7a11034b0a0127fbee25267fb0921...
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.