OpenTechnical

OT-2026-000080291

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000080291) never changes.

Identity and time

Publication numberOT-2026-000080291 · never reused
Internal UUID01a0ae96-7e77-7479-bc52-873d229b839d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080291
StatusPUBLIC

Content hashes

Canonical textdb82d39e33be15d6c1ca062b54565a87ecdd195a67e8b38b687ecc7fe4131ff1
Markdown0724dae888830135407f5e51db3364019b0eb56fdfcb020f4addca337795fbb1
PDF
Publication pagea699a43fba16639a0d43acd2adbf555d27ab6418e055865e58af64173c1ced93
Manifestbd799650f1a231ecd7a4aff3ed560b155a38fe695348967b5734c7a866ed8d7c

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
SignaturexVaEeF/8sX+f632PmwB2LmfvXMurtkpjKWQVnrQWDI6sWrW0q38gl7lO8y52r6FWC7D7xWYjSO0NrHbjLmCBDA==
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

2026-09-17T10:02:45.209216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080291
observed a699a43fba16639a0d43acd2adbf555d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.190028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080291/manifest.json
observed bd799650f1a231ecd7a4aff3ed560b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.170632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080291/publication.md
observed 0724dae888830135407f5e51db336401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.152580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080291/publication.txt
observed db82d39e33be15d6c1ca062b54565a87...
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.