OpenTechnical

OT-2026-000103476

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed blow-off after 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-2026-000103476) never changes.

Identity and time

Publication numberOT-2026-000103476 · never reused
Internal UUID01a0aea4-e460-7099-8a81-08337292b995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103476
StatusPUBLIC

Content hashes

Canonical text176cc56aa9afc7624f5671bafc5d38996a3b8ecee5641c267fe312eb1ea0845b
Markdowncd51b0c1472187d956bade7d422772718532bbfd0cf70f4f58a2be74aa202c2c
PDF
Publication page38494b6ff152b6df1385ddbd6bf20d61a289f75ac69916500eb6c27787c72c51
Manifest51026310c4e5003bf6d6f183b9b2a442b07fc569e5e07267636f3968048c3127

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
SignatureZrdfqrabf1TbzsBILu9sIEYQ2smAqtlQr1vxr8xxElqQJOhnjxUX7or3ib44imBeNTHP8hPvXgiyWAUxA3swAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:14.235692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103476
observed 38494b6ff152b6df1385ddbd6bf20d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.218431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103476/manifest.json
observed 51026310c4e5003bf6d6f183b9b2a442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.202597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103476/publication.md
observed cd51b0c1472187d956bade7d42277271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.187694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103476/publication.txt
observed 176cc56aa9afc7624f5671bafc5d3899...
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.