OpenTechnical

OT-2026-000084881

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000084881) never changes.

Identity and time

Publication numberOT-2026-000084881 · never reused
Internal UUID01a0ae99-43b4-7ec7-a8af-bfd6f5aeb719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084881
StatusPUBLIC

Content hashes

Canonical textd2bc4494e32edaf27c9a4bbe74e80eb04d454a0bc2e3a0d444d60162d6c9f988
Markdown7c998c43273c410eb0377d032ad5390ffed3f6e8eda39380dd0206c49832114f
PDF
Publication pagec8e62cd5dcc59a4732808a31c2a80773fe644b5a759df2386b1a6575b0203ddb
Manifest355b3402e10a9893c7afe0f92223c2f135dd287475b2bba9badacee58eb19b71

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
SignatureGOQnAUae1I53wh5Dmmy3tlrwn2O350cHN5U3PtWSCVMI631Dxa2BftimICfB9eiBeL5FZdp4YhNtEbM3rcGJCA==
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

2026-09-17T09:54:51.160210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084881
observed c8e62cd5dcc59a4732808a31c2a80773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.141143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084881/manifest.json
observed 355b3402e10a9893c7afe0f92223c2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.123908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084881/publication.md
observed 7c998c43273c410eb0377d032ad5390f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.105739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084881/publication.txt
observed d2bc4494e32edaf27c9a4bbe74e80eb0...
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.