OpenTechnical

OT-2026-000086353

Publication integrity record

Three cup 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-2026-000086353) never changes.

Identity and time

Publication numberOT-2026-000086353 · never reused
Internal UUID01a0ae9a-2c96-7ca5-bcc0-a137420ec951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086353
StatusPUBLIC

Content hashes

Canonical text77481ad7bb212b0a6f429019297ce1b2cb741af78a2e47018bce5b3f824834dc
Markdown3b59ef1605086c32462b20a5d1e4341530fe5bc939a90ab956020a3cba6e69a0
PDF
Publication page2cf27b6b61848af617a06ad11df61b80fb650d7d669c102274d8899c294d81ab
Manifesta7a40d21914dd3bb465bd3a7587d601e8cef0cefaa3133e7691e73ba07311f94

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
Signature2/J8LFj7OuFfwn5/whv+VmEiFyCb4n57iPKoBVSW9SMA6fzAuApAqZf8aWW3R65+BckQ3vsxV2lxszPnM++IDA==
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

2026-09-17T09:51:54.464366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086353
observed 2cf27b6b61848af617a06ad11df61b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.442753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086353/manifest.json
observed a7a40d21914dd3bb465bd3a7587d601e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.422037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086353/publication.md
observed 3b59ef1605086c32462b20a5d1e43415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.401783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086353/publication.txt
observed 77481ad7bb212b0a6f429019297ce1b2...
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.