OpenTechnical

OT-2026-000102991

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102991) never changes.

Identity and time

Publication numberOT-2026-000102991 · never reused
Internal UUID01a0aea4-be3d-7bdb-a64e-b8a947d21122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102991
StatusPUBLIC

Content hashes

Canonical text7eed52e024feffc5225ddbfc6e196a32375715b627529c485b598f272fdce756
Markdownf1fb491fa57178a5c15c2ee2cda8fd063a009c02c2e1e51276c0b9f1faa406c9
PDF
Publication page076b32ff3eb9997e1349b19ca29c1205bba696b5d4033e884b3105830e02a0f9
Manifest0dab07e5161546f8b45b876f23b68d107697fe1c333196fc1c6e474d027307b7

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
SignaturerQKiif+xczUdhxqZ1WRB+a973CBWRD1AL2vVI4/CQ4qPAXiXk4bxc2QXsRcw+3/OX2BR4OZ+f4xvde04UZdmBg==
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

2026-09-17T09:23:06.301508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102991
observed 076b32ff3eb9997e1349b19ca29c1205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.283872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102991/manifest.json
observed 0dab07e5161546f8b45b876f23b68d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.267085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102991/publication.md
observed f1fb491fa57178a5c15c2ee2cda8fd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.249773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102991/publication.txt
observed 7eed52e024feffc5225ddbfc6e196a32...
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.