OpenTechnical

OT-2026-000073342

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000073342) never changes.

Identity and time

Publication numberOT-2026-000073342 · never reused
Internal UUID01a0ae92-efb7-7b7e-b871-c5a4ad21326b · 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-2026-000073342
StatusPUBLIC

Content hashes

Canonical text87d57b6652ea30b70cdded3769cf64a5f37c6ad126e48b43eab92892de8ae496
Markdown9656beaf4d5af397336b41cc049a52cc279109f064772f2050f3dfecbc7dcdee
PDF
Publication page385bda7298283942b150604180acf69e99b471908c7cc63b6fcbf3c565d7755c
Manifeste917b4b3ac1dec2429bd5b007b0a50371482e86688c25b8a2f6c4c66e4974572

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
Signature8n7BKC/HUDjnsSKEA+kyxUJaDbhsTdFKDy/dlz9wN4c8GTm3yqZ9iHrYl6ArMDA1iCgLOQJ6hDooL2TrCtV7Cw==
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

2026-09-17T10:21:21.854725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073342
observed 385bda7298283942b150604180acf69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.834177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073342/manifest.json
observed e917b4b3ac1dec2429bd5b007b0a5037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.813961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073342/publication.md
observed 9656beaf4d5af397336b41cc049a52cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.795138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073342/publication.txt
observed 87d57b6652ea30b70cdded3769cf64a5...
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.