OpenTechnical

OT-2026-000086315

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000086315) never changes.

Identity and time

Publication numberOT-2026-000086315 · never reused
Internal UUID01a0ae9a-2c96-70a8-b60f-fec64ab17bd0 · 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-2026-000086315
StatusPUBLIC

Content hashes

Canonical texta9e8f86fc4ef08a0ce4810ffd7c264f792c16f4264af098f8065280aa3fba230
Markdown9c21d6e1b86beae74245b6dad201eb61a5da9648eee839f197bb16b36892ce6d
PDF
Publication paged8104d4fb20b7551fcde79f3b94f82c3f851af0a6955ca7f1d4d6d4d2d78e4d3
Manifestd21d9915201460fac0fee3b6efaa70880ede27d6839fe4b45fc24c2edde82ad5

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
Signaturezdm5QHr2WmsH9nX8kWvKwA/AtIisKjb/LLqWCdTK9Kp2UA2dBmjD53YxyV7D+/yjn1cVO32vkSFzL++9lWVHBw==
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

2026-09-17T09:52:00.031149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086315
observed d8104d4fb20b7551fcde79f3b94f82c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.013960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086315/manifest.json
observed d21d9915201460fac0fee3b6efaa7088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.995265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086315/publication.md
observed 9c21d6e1b86beae74245b6dad201eb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.975123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086315/publication.txt
observed a9e8f86fc4ef08a0ce4810ffd7c264f7...
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.