OpenTechnical

OT-2026-000064147

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000064147) never changes.

Identity and time

Publication numberOT-2026-000064147 · never reused
Internal UUID01a0ae8d-a45f-7b47-87b2-262d2c66e4de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064147
StatusPUBLIC

Content hashes

Canonical textc3007f932a388fadbd588513c5b105fc1926d5c8c840febc867fb6b09a932b59
Markdowne5eeaa3a76b48bac934208b7170203ee5e4ca2a4f5c099f005cdc941bffe849b
PDF
Publication page3853812c4c30416a7da32bc39ca8ae14c3ddce5f5f0f6af1c914998181085868
Manifestaac9d6b6ec3c48994f78937604c3ee743423e408764bf69ad7f3eeec29ed2db2

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
SignatureBwNTeQA99e4p/INbnH1wC0aCdW9xdszhjvbT8u6PAYciqE7YattrIDNT/ec9DHNvjSqo2/mX7xpGjkSzr80pCA==
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

2026-09-17T10:36:09.164032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064147
observed 3853812c4c30416a7da32bc39ca8ae14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.144147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064147/manifest.json
observed aac9d6b6ec3c48994f78937604c3ee74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.125639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064147/publication.md
observed e5eeaa3a76b48bac934208b7170203ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.106191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064147/publication.txt
observed c3007f932a388fadbd588513c5b105fc...
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.