OpenTechnical

OT-2026-000098769

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098769) never changes.

Identity and time

Publication numberOT-2026-000098769 · never reused
Internal UUID01a0aea2-42af-711e-acd1-30cb0b14c1ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098769
StatusPUBLIC

Content hashes

Canonical text2a1c46da5672b574a3f2a2bedbd70168066cde47a0161b9177f6ea5d743cd39e
Markdown8e7f8d04995a0ea2917c4778cf7ba851e0c5d4083e9b98a83329282ff82f9753
PDF
Publication page1549a56af3cbb809e5bc19f946de1c0c767cc9b2b3c0e3a6eb508c975394c9f0
Manifest5effde947a65bc2ed63efcee10345ee34feaca9622a5b758ee5502215639296e

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
SignatureQVNvhmtUyciJqzkK3oLNSF5UJaHHyVF6FygET+PoV1eR/LfhlMPMX1h5Gfurx1rRcfXxW38ggQUEk9lsri5SBA==
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

2026-09-17T09:31:05.440664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098769
observed 1549a56af3cbb809e5bc19f946de1c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.424370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098769/manifest.json
observed 5effde947a65bc2ed63efcee10345ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.407005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098769/publication.md
observed 8e7f8d04995a0ea2917c4778cf7ba851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.390068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098769/publication.txt
observed 2a1c46da5672b574a3f2a2bedbd70168...
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.