OpenTechnical

OT-2026-000080793

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000080793) never changes.

Identity and time

Publication numberOT-2026-000080793 · never reused
Internal UUID01a0ae96-b974-7680-a662-bc191ccc7fab · 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-2026-000080793
StatusPUBLIC

Content hashes

Canonical textf57b648b64b61868bbd65d6f22bf64783e44eabd43a7417058b1fed04c693511
Markdownb33c5d10a66b02a572c16d714be3c6e2cb1902837a60b9dd883ee3684c552139
PDF
Publication page523742653353314bfe3c95acea5957abba0c15a6b3557454f42ead9c48f1de0a
Manifest1c7e42840351fc5a7205ce2222fc3a3197500270faf0c76a3b5a440a26d3f6de

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
SignaturerL+od7j0b00ckp/S7JDF7r62EDKucpCTVtYe4GHEfhGqS8uLi5T/5i0cdtUNVFZ0/FhYqaTH3P5dKmiYqgm4AA==
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

2026-09-17T10:01:58.120060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080793
observed 523742653353314bfe3c95acea5957ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.100424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080793/manifest.json
observed 1c7e42840351fc5a7205ce2222fc3a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.082280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080793/publication.md
observed b33c5d10a66b02a572c16d714be3c6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.062220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080793/publication.txt
observed f57b648b64b61868bbd65d6f22bf6478...
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.