OpenTechnical

OT-2026-000032033

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000032033) never changes.

Identity and time

Publication numberOT-2026-000032033 · never reused
Internal UUID01a0ae74-bad3-72b9-a11c-bb7915a3cdd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032033
StatusPUBLIC

Content hashes

Canonical text15f2e8ccf4713539d1bcf042792aff3062fae2f02c6fc3f595274742a3122b89
Markdown039e21ef3e870fca768817c01d8fa74b888e2dbd221103ffab60d4e2d954b9ee
PDF
Publication page050489f19e1ba432fff6447d1d44f7b324c08926c5a3f5a1a51b106eed5048ae
Manifestbbe8053abe056e415f8d5f638a92d557790faa18e2623e72faef7089899bcbf6

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
SignaturetbTSXYoJnORPQijGwj4cAFxExUPIAGOEDY4bUP+GaoKBxhiv8IiTn6tbRcxnmvnyYnY4CJfYzRGVL7QcQnQPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:26.640622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032033
observed 050489f19e1ba432fff6447d1d44f7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.622140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032033/manifest.json
observed bbe8053abe056e415f8d5f638a92d557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.599911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032033/publication.md
observed 039e21ef3e870fca768817c01d8fa74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.579780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032033/publication.txt
observed 15f2e8ccf4713539d1bcf042792aff30...
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.