OpenTechnical

OT-2026-000073385

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000073385) never changes.

Identity and time

Publication numberOT-2026-000073385 · never reused
Internal UUID01a0ae92-efb8-7a8b-8a4d-41434af2ddec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073385
StatusPUBLIC

Content hashes

Canonical text4ef9c03f6f69485b4094610de196633bd8aa5d3ce0ab541086632e8c56e2cbc6
Markdown8a563a12e74bd02b496424911b0b5e5ae8fe57ec9be1b1ef1499b217699cd782
PDF
Publication paged4216bae344eb8bb97ce07ade1e513fac2396094bd0c461d6ccaa5ecb5ba39cd
Manifestceb84b17c37a251fd225e29622b2af3589f15361e0d5253f97062dc24eb21374

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
Signaturec6S17ujK+9l21HF257mLw73oB5ikSMzUj/OrXW1A8wPNMlJBZ1I12ZHNV/3dQY8GiGBb0mLHs2FZG9J32SDxDw==
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

2026-09-17T10:21:25.630394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073385
observed d4216bae344eb8bb97ce07ade1e513fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.613661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073385/manifest.json
observed ceb84b17c37a251fd225e29622b2af35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.593926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073385/publication.md
observed 8a563a12e74bd02b496424911b0b5e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.573536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073385/publication.txt
observed 4ef9c03f6f69485b4094610de196633b...
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.