OpenTechnical

OT-2026-000082109

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000082109) never changes.

Identity and time

Publication numberOT-2026-000082109 · never reused
Internal UUID01a0ae97-4d93-7080-8a5d-bc387a1a52ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082109
StatusPUBLIC

Content hashes

Canonical textbddd63c4a51bb8950b6b5c46e37adc006fc3a936cd25845e7f0c074644456c95
Markdowna0ec8a1a53fd8cf9a0a220c18bd19851b894af81f892fabb09b97bc810179e39
PDF
Publication page5aee3fadd5b75146f8596935c1cb0e4bfc5d7683129d8bfc8f8e6fcd289b3fc4
Manifest6166a8a7f99dca4e8a0772c5bb426bc9e735ce7aa6a403726a1fdb6139cd7ea5

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
SignatureybYjs3EMHZME+4AVx1zVBebcGdB2TRjqH5tQN5uv6GHVPdYt0vVWyz0h4Ro3tSTZbpDSGuWDvPfmESwOsj6ACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:55.151803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082109
observed 5aee3fadd5b75146f8596935c1cb0e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.134381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082109/manifest.json
observed 6166a8a7f99dca4e8a0772c5bb426bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.117202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082109/publication.md
observed a0ec8a1a53fd8cf9a0a220c18bd19851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.099833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082109/publication.txt
observed bddd63c4a51bb8950b6b5c46e37adc00...
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.