OpenTechnical

OT-2026-000022162

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000022162) never changes.

Identity and time

Publication numberOT-2026-000022162 · never reused
Internal UUID01a0ae6f-f4fb-7a4b-954a-4a62a8124f16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022162
StatusPUBLIC

Content hashes

Canonical text485a6667174e2b06185421e86c4a8e4a11ef4af32ba621c35a2f1ce5dc6b9d95
Markdowne2e4cbfeff31775ea3932e31ff50dce502a5bd4fa13822124c6b2600f765a56c
PDF
Publication page4db4f29c21532a29d43831fade07846d26da11de3b7efa359dcbec16c59a7dea
Manifest65decbee9e4163b8b647185e00019c675b51386093b0d980b069c1d9ab55f1f4

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
Signature5k/xm1TW37huv/1UOopQq4S+Iy92PJBAm9Mnm00ugCFUUfw3woqTllS8Sk8kimd1k6jA31W+0u0aKdOFEnP9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:44.895793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022162
observed 4db4f29c21532a29d43831fade07846d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.878768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022162/manifest.json
observed 65decbee9e4163b8b647185e00019c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.843117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022162/publication.md
observed e2e4cbfeff31775ea3932e31ff50dce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.800632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022162/publication.txt
observed 485a6667174e2b06185421e86c4a8e4a...
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.