OpenTechnical

OT-2026-000030656

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000030656) never changes.

Identity and time

Publication numberOT-2026-000030656 · never reused
Internal UUID01a0ae74-3fb3-7da7-bd97-85cffb2b1f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030656
StatusPUBLIC

Content hashes

Canonical textdaa61c7339cffc118827271d4d34801619ea70a9d2f54bc4022b5320ab7d60d3
Markdownd8fff5fe7a8143bfe58e68c78497af83c8107b0ea94eab3872bd62babe77a1d7
PDF
Publication pagea3f410e968bf505361549c3201b78c352d5ab7e1180af9cf621e4510d9156f83
Manifest4e59969b1239113fed032d61532e27988f8ac8dfaa7846528762deafbf596f1a

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
SignaturefwhCqP1W42XCUfEHSR2lyZmXOZgNltX5MVISKQNrYWocJTNsonmW7Nyq5Y+TYM2gvjLqJqwbZQbRkJLz6x5bAA==
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

2026-09-17T11:36:32.401586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030656
observed a3f410e968bf505361549c3201b78c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.382037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030656/manifest.json
observed 4e59969b1239113fed032d61532e2798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.365851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030656/publication.md
observed d8fff5fe7a8143bfe58e68c78497af83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.349236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030656/publication.txt
observed daa61c7339cffc118827271d4d348016...
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.