OpenTechnical

OT-2026-000013141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000013141) never changes.

Identity and time

Publication numberOT-2026-000013141 · never reused
Internal UUID01a0ae6d-6fc8-7518-90cc-7455a8dee97a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013141
StatusPUBLIC

Content hashes

Canonical textfa292d7c96ef9b186494130d1e96953ec9fa1914875a4247cffe21f27596789b
Markdown103d0d668cc047a5cf5280136e3c913467a03ecebcb472265240d4390a627ec2
PDF
Publication page746087f1f247ba28ba2cecdd976f8b8a65d2e6b753e1fe25a6a04f40a8a628ea
Manifestce133fddeb6f2a205cff7f29c7a231ea114cbc732719a6f3bdae1f43ef953d14

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
SignaturevLw880cNAwSh6VqM3MLkFnL3CQraqaHvwl7XUrFJk0mQvdfA1FRVpJVo2uJL2hSX4VA1BLmVw/pFzlaxDffdDw==
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

2026-09-17T12:09:30.256621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013141
observed 746087f1f247ba28ba2cecdd976f8b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.237101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013141/manifest.json
observed ce133fddeb6f2a205cff7f29c7a231ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.216464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013141/publication.md
observed 103d0d668cc047a5cf5280136e3c9134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.193718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013141/publication.txt
observed fa292d7c96ef9b186494130d1e96953e...
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.