OpenTechnical

OT-2026-000097974

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line 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-2026-000097974) never changes.

Identity and time

Publication numberOT-2026-000097974 · never reused
Internal UUID01a0aea1-92f7-70fd-a2f6-62614f3105cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097974
StatusPUBLIC

Content hashes

Canonical textdfabccc877f272245f7b5468bf283958f55cfbb905a4244ae4cee037c48e89f1
Markdown86fb90005512bfb8c79e9831c21f255a2774a2920efccea9096d9c7775b07c6f
PDF
Publication page6ef2d7188c909505a91a0710689bf26d56136067e57e7528785a2ac47371776d
Manifestbd4a52a70bd471c8d2360302e8580d7f861efd4fc018cdba7ce1f1fe36821594

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
SignatureZPHa17tG56BcC1fYE1mgH8g3bjnC96aLuY/rdI8AqgZ6eXPWkkeJlwe2AnqLabkm0ceuLh6CUVDfzlNesry3Ag==
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

2026-09-17T09:33:07.268178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097974
observed 6ef2d7188c909505a91a0710689bf26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.250683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097974/manifest.json
observed bd4a52a70bd471c8d2360302e8580d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.233439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097974/publication.md
observed 86fb90005512bfb8c79e9831c21f255a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.216073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097974/publication.txt
observed dfabccc877f272245f7b5468bf283958...
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.