OpenTechnical

OT-2026-000065411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000065411) never changes.

Identity and time

Publication numberOT-2026-000065411 · never reused
Internal UUID01a0ae8e-46f8-74cd-9f88-6a55270fabdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065411
StatusPUBLIC

Content hashes

Canonical text7382038053e3d89ed2f4d48e635d78e22ca64d994ae0f6bddf5dc5f01a5bf2b7
Markdown1b95d70fd045b970a19969f8fa35182b427141415d830e76718ba66b7882679f
PDF
Publication page64f34105c4d3de108b8f522e052c96ddc856f3bf5c734cda336b88afa336e4cd
Manifest5c36e363fb4ca65d54cc9f540f3cb8bbdd5a810ae7ec4f6e2b6edafb81607e3c

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
Signatureza1o3uzBTyzK+BogFZ9Pv/I8vJQFU6RFV5Jsh434YBbIhrteuS3HQQdAe+UZf+kPqyh3YOPnwpbVJ2gFekGEDA==
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

2026-09-17T10:33:40.567025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065411
observed 64f34105c4d3de108b8f522e052c96dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.548987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065411/manifest.json
observed 5c36e363fb4ca65d54cc9f540f3cb8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.530826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065411/publication.md
observed 1b95d70fd045b970a19969f8fa35182b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.512608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065411/publication.txt
observed 7382038053e3d89ed2f4d48e635d78e2...
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.