OpenTechnical

OT-2026-000030659

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000030659) never changes.

Identity and time

Publication numberOT-2026-000030659 · never reused
Internal UUID01a0ae74-3fb3-7686-b721-e766dab9056c · 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-2026-000030659
StatusPUBLIC

Content hashes

Canonical text2db721054e1be5fe00c3c8d71b4057a20d208094b2745482493b4b9b1e9a2710
Markdown4a793419563d6aec71512d58c76de84e891c03aa8c4950c4e9a99faa3d062c88
PDF
Publication pagee0f39ea7d765fe798157f253b6efc4ea013208a014307b9ff00f386965835d37
Manifestb39fdbc01349dba5aa68bf377b9c7b4e707e3ae6317a41e6d5198ab9380776d9

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
SignaturenV2Eh0CZPMC8neDdKovSbWoBji1ysQrAsJkMDh1Nz68agsF6gLV/yQMcjPqhHAz8RNx1k+Rh5DyqO4TPnNWwBg==
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

2026-09-17T11:36:32.646535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030659
observed e0f39ea7d765fe798157f253b6efc4ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.628444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030659/manifest.json
observed b39fdbc01349dba5aa68bf377b9c7b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.612280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030659/publication.md
observed 4a793419563d6aec71512d58c76de84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.596371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030659/publication.txt
observed 2db721054e1be5fe00c3c8d71b4057a2...
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.