OpenTechnical

OT-2026-000080901

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000080901) never changes.

Identity and time

Publication numberOT-2026-000080901 · never reused
Internal UUID01a0ae96-b975-7e0b-9dd8-690b7d394cb0 · 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-2026-000080901
StatusPUBLIC

Content hashes

Canonical textf95fb18ddf4c070c44cee17809aa14b25f9548d602e86c22a69cf81287055fb2
Markdown6d6b36211f40a9bbf3f46a1fd8c6b58c9945a348a7214434bf27b62988d98665
PDF
Publication pageaa164b929a249390543f77d56831ee7ed1092712a5ed58f6986ae8792b5bd64f
Manifest5b24499f881aacff676c0fda7a9baa80e57de90207be40a3df845f2ef64667a3

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
SignatureeM4PS1Wrn61SSvtU13FR3YaWrrO2oEVaMN1y0XvpcBrUV3ScvMiPv9WJwLyS5o1nFlSWUSZJHYyB6zwYeU0yCw==
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

2026-09-17T10:02:06.242582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080901
observed aa164b929a249390543f77d56831ee7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.211076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080901/manifest.json
observed 5b24499f881aacff676c0fda7a9baa80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.193485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080901/publication.md
observed 6d6b36211f40a9bbf3f46a1fd8c6b58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.155310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080901/publication.txt
observed f95fb18ddf4c070c44cee17809aa14b2...
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.