OpenTechnical

OT-2026-000015632

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000015632) never changes.

Identity and time

Publication numberOT-2026-000015632 · never reused
Internal UUID01a0ae6e-0c4b-7f47-9668-d98489384565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015632
StatusPUBLIC

Content hashes

Canonical textd0afb64899867a915207faa29136eaad7354d3e72cf3ff28f8b9412ffaa0b686
Markdown777f8220a99be8821cbfe63664893105d6ee156fd0d9f1786cfbd23d4f6753ad
PDF
Publication page490e6fe8acdc21204c47f12b6a25e0c5bfd84ca79740ebd03b1f15b72e65c8bb
Manifest34f49f3b42f5314f1b9ee26af4f7f84f4411593b67b0b51a88f47d0def25d30d

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
Signature7W7R7Y6noXlUgscSiVFG+hF2dHYkG1rHs/8T3nv9JqP70svoRvctXIqPv0cqtrf+KyHxxXDs4FbwW1bty8wHCA==
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

2026-09-17T12:04:53.050426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015632
observed 490e6fe8acdc21204c47f12b6a25e0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.030367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015632/manifest.json
observed 34f49f3b42f5314f1b9ee26af4f7f84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.010390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015632/publication.md
observed 777f8220a99be8821cbfe63664893105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.991921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015632/publication.txt
observed d0afb64899867a915207faa29136eaad...
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.