OpenTechnical

OT-2026-000073536

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073536) never changes.

Identity and time

Publication numberOT-2026-000073536 · never reused
Internal UUID01a0ae92-efb9-76ac-bc99-9624227a7c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073536
StatusPUBLIC

Content hashes

Canonical text7913cce405a924ed4c55225504536015a7cede75e7c8964da89506aecaedde73
Markdown3d7bac3f14340a7d6cdea551abed70175afa35384077ad014e1388c0b74b7fae
PDF
Publication pageef120e71b073b11b3d80eb19a85ff9223670101e4700cacd8f8eaed99c566f22
Manifestdd3502e374b35838b46135346be89acc6866fc47f34e513bad586969c12659d2

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
SignatureVv9ZtL5zUwUdO72BNCn55S43oX9tGb0BQSHHNd8AzPVkeO/WFV26d9/6OuPpTInvT41ZjKmFnE55yiXSSkZLAg==
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

2026-09-17T10:21:07.206979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073536
observed ef120e71b073b11b3d80eb19a85ff922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.190180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073536/manifest.json
observed dd3502e374b35838b46135346be89acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.173792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073536/publication.md
observed 3d7bac3f14340a7d6cdea551abed7017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.155410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073536/publication.txt
observed 7913cce405a924ed4c55225504536015...
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.