OpenTechnical

OT-2026-000015641

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015641) never changes.

Identity and time

Publication numberOT-2026-000015641 · never reused
Internal UUID01a0ae6e-0c4b-7071-a222-b4a6be4c9b53 · 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-2026-000015641
StatusPUBLIC

Content hashes

Canonical text48e2eee30df23c37cbd2878fc416d862ff47c0bbe229f5274daf3ea037624e23
Markdown240408a42b17cdc06029fe780913b2d306c91d5dcafda1ec7dc498fe5dca3d6f
PDF
Publication page9cf1eb428bd37a47f13ca7355cafcf1e2429b84e243706ca2a8cf89fb13c2eca
Manifeste273c9d931aade6969151249fb9b715793877bd8480df96bffadbb0938b7c13f

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
SignaturetSvKm4Lfv2Izlg7+RYBJ91v5AAPb17pzgjIKgeQttFVbXpDlssEkoN9YkiUu+SR/hCOA0+HTkW4zjW6Q5yOUAA==
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

2026-09-17T12:04:53.890309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015641
observed 9cf1eb428bd37a47f13ca7355cafcf1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.872041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015641/manifest.json
observed e273c9d931aade6969151249fb9b7157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.854115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015641/publication.md
observed 240408a42b17cdc06029fe780913b2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.836848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015641/publication.txt
observed 48e2eee30df23c37cbd2878fc416d862...
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.