OpenTechnical

OT-2026-000080743

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000080743) never changes.

Identity and time

Publication numberOT-2026-000080743 · never reused
Internal UUID01a0ae96-b973-704e-ba3b-9a3fce710e2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080743
StatusPUBLIC

Content hashes

Canonical text0e66fdc46c0d47199b2ad02e50466b7f37689eef21a61b5190d279e303461d69
Markdown484c54bc499e282b816989b6d227f2d1b136c41329b95463292c34cbe7d3196d
PDF
Publication page4b15de4861f6075c86780d490f54e09ee83651359ad67123b561d52dde6ad927
Manifest141684b07e7dcd6cd4dad26f40c2363fc8d01fcd1bb7fa8bbe6f4bdd8f9d774f

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
Signatureip6y8QFD6FuP/gNbpZ6IXAQiV5QKBb5EhWyLgxlqdrcEj21Y4xjzq74aglY+kWw9P7oUXgsQUjW/f2gS8n8BCw==
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

2026-09-17T10:01:54.126159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080743
observed 4b15de4861f6075c86780d490f54e09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.108604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080743/manifest.json
observed 141684b07e7dcd6cd4dad26f40c2363f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.091217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080743/publication.md
observed 484c54bc499e282b816989b6d227f2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.073928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080743/publication.txt
observed 0e66fdc46c0d47199b2ad02e50466b7f...
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.