OpenTechnical

OT-2026-000080057

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained 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-2026-000080057) never changes.

Identity and time

Publication numberOT-2026-000080057 · never reused
Internal UUID01a0ae96-4377-7a9e-9c49-b6e043adb812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080057
StatusPUBLIC

Content hashes

Canonical text31be3e6e9a6c1d18adb78c8b03fe8f75fc9a20ae77b0da45b0fafdd2db683891
Markdown4d6ecf3a22aafd788311ae44765f88243a0883544d1efbc9d71ca3ee67b8c00f
PDF
Publication pagebe01d64c8c5bd79d078962f48b9ea86d25da505817ad233ae27edf96812bb6c6
Manifestdc7304915b61e5dfa77eb481da1668a9263289a109e4d7b4f51f88f0eb78d6ea

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
SignaturejBBjOM3ZRC9SVvsQkCdjF04o468txAy0d0Arx7Zpo98NziF80QJY2vGPpET1I4axh+qeJfK2BhZzrnseH+PZCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:59.280053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080057
observed be01d64c8c5bd79d078962f48b9ea86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.262253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080057/manifest.json
observed dc7304915b61e5dfa77eb481da1668a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.242588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080057/publication.md
observed 4d6ecf3a22aafd788311ae44765f8824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.224028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080057/publication.txt
observed 31be3e6e9a6c1d18adb78c8b03fe8f75...
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.