OpenTechnical

OT-2026-000068875

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068875) never changes.

Identity and time

Publication numberOT-2026-000068875 · never reused
Internal UUID01a0ae90-6dcc-7a00-ac5e-da7d9f4b1e08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068875
StatusPUBLIC

Content hashes

Canonical text0fdb5dc87556ff5886e34149351e97523b317b474c8b0f61f01fd7fafe0097ea
Markdown9111d91259a6be3cb7885845e79d12f44929a7b8ab07b17c6518175ada26dd1b
PDF
Publication pagee2f458fe99ae4b5c1a82ae463333fc0b0c89b654ba82bd04349bd19326bda5e8
Manifest78cbf52f8f1831c5acb33335d968cdc36a2256a930a999d24e2c37bc21154fb8

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
Signature2PFGKpdShlI3loDmxhNPAjm5hsuyCAOqYPx/bDPyAopWtI4ghpTH3K/NPTgL9MsC5W1UbWzPdtVY/jNZM4S4CA==
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

2026-09-17T10:28:41.506638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068875
observed e2f458fe99ae4b5c1a82ae463333fc0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.490355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068875/manifest.json
observed 78cbf52f8f1831c5acb33335d968cdc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.473934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068875/publication.md
observed 9111d91259a6be3cb7885845e79d12f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.456946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068875/publication.txt
observed 0fdb5dc87556ff5886e34149351e9752...
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.