OpenTechnical

OT-2026-000071602

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000071602) never changes.

Identity and time

Publication numberOT-2026-000071602 · never reused
Internal UUID01a0ae91-e0ee-782f-96be-baa6f749bb0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071602
StatusPUBLIC

Content hashes

Canonical textdd9efeecd05101f93fb273d85218cc8fc26c3e7558f5312d26b6ee382878d816
Markdown9d262220a14d56ad0699182cbb971937e96bf1793b086058dea45bd465ced2d5
PDF
Publication page8951dfe0a6b6e8d71d000584b6f0dc4cac7ea1772b054e75a31ef0424e59520d
Manifest39304bde919109e6b4eba9c8be3c2203fb7a6b3672dc5481ef7f7a1fb7a9f415

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
SignatureXm6UE8T0m7IZqMMhlK999rglGfNPlnN7gPdaOY0qJFyuil99CehB3aD6Xt7jHQ8hCDdGTff4+jZ99Uwe2QjUCQ==
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

2026-09-17T10:25:15.221634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071602
observed 8951dfe0a6b6e8d71d000584b6f0dc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.203421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071602/manifest.json
observed 39304bde919109e6b4eba9c8be3c2203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.181345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071602/publication.md
observed 9d262220a14d56ad0699182cbb971937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.162188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071602/publication.txt
observed dd9efeecd05101f93fb273d85218cc8f...
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.