OpenTechnical

OT-2026-000092209

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000092209) never changes.

Identity and time

Publication numberOT-2026-000092209 · never reused
Internal UUID01a0ae9d-875a-7a0e-8145-843acadaebfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092209
StatusPUBLIC

Content hashes

Canonical text2943f96c70a0c76988db4fea342d89dcd3ac007ac7c285467485277d66931818
Markdown0444ee969980a9c246a9d744fba2b225704c5ba57cfeeeb697014ae6d72a173d
PDF
Publication page1371757512a1a2f7271151e9b3b073cdc54c01c5761a0839f0237dac130f047f
Manifest5eec36091d2e9c6dfcf5835e1fdb93c2f4f7b4a2a841980c07496d43e460791d

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
SignatureWbFIVn6kmq0vkXeS8+9y7IrWQbag5d5oHEilWQEOX4G1YpqxcAYAKXGjJ3HdW3XBMH3ezPVhcfk1y8pmCLX8Cg==
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

2026-09-17T09:41:41.666908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092209
observed 1371757512a1a2f7271151e9b3b073cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.650575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092209/manifest.json
observed 5eec36091d2e9c6dfcf5835e1fdb93c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.631629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092209/publication.md
observed 0444ee969980a9c246a9d744fba2b225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.613736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092209/publication.txt
observed 2943f96c70a0c76988db4fea342d89dc...
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.