OpenTechnical

OT-2026-000024085

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000024085) never changes.

Identity and time

Publication numberOT-2026-000024085 · never reused
Internal UUID01a0ae70-aed7-78dd-9837-8bd73eb3e3b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024085
StatusPUBLIC

Content hashes

Canonical textc02a1f7e376eba68fe9f1a88b7e1f83df9f004a4a5013c975b439e8c378dc20b
Markdown7f3172d421f6223e035c14f7a0508fa5de57c3d9234e491c3e75510f941f4556
PDF
Publication page4d4e070b8611dc5e03e42ae623420d739658e7eb4e81b0c71c1229946733c981
Manifestb1f8ffdc7b96b49bf4c7aba988a5dce87ed925a445323920236b38412952eaf3

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
SignatureL5h54ubLwxMn2h1y+PyZdUZqoPnwP+k7L7XOxDcwtyIqH+zPzhC9c2H11u0l8h/HWXx++zaD9PY6wZt9u/z4Bg==
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

2026-09-17T11:51:00.087989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024085
observed 4d4e070b8611dc5e03e42ae623420d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:00.067997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024085/manifest.json
observed b1f8ffdc7b96b49bf4c7aba988a5dce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:00.049448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024085/publication.md
observed 7f3172d421f6223e035c14f7a0508fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:00.027882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024085/publication.txt
observed c02a1f7e376eba68fe9f1a88b7e1f83d...
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.