OpenTechnical

OT-2026-000088639

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088639) never changes.

Identity and time

Publication numberOT-2026-000088639 · never reused
Internal UUID01a0ae9b-8f0f-7e27-9739-246d3816fdf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088639
StatusPUBLIC

Content hashes

Canonical textbc0361dc96653e43164adbe3808e41475457168327265070f8b84f748feffb0e
Markdownb415a6326cb627b535a9595ed337a736849d00db563fcbda74939a07c969539c
PDF
Publication page0fe90d79d2cfd44e4b75794dcc238fe6364a01b4a54ce66bc8a1712f9f8c7285
Manifestf6b83ff8370b6912b0c1efecb8e0d88e743ce77290da127cc2fbbecaad4d7dee

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
Signature1y+9aVmgsm/PyVqEE2FTAVou+Q4rsbYnoqedVrJO4lJN7PY+i5NxCbSzgzJXQs/amX/uYl8XiuM9CZGtqQqhCQ==
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

2026-09-17T09:47:51.068352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088639
observed 0fe90d79d2cfd44e4b75794dcc238fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.051328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088639/manifest.json
observed f6b83ff8370b6912b0c1efecb8e0d88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.032433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088639/publication.md
observed b415a6326cb627b535a9595ed337a736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.012117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088639/publication.txt
observed bc0361dc96653e43164adbe3808e4147...
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.