OpenTechnical

OT-2026-000051531

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000051531) never changes.

Identity and time

Publication numberOT-2026-000051531 · never reused
Internal UUID01a0ae83-7c81-771d-9e1f-db857efc7bfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051531
StatusPUBLIC

Content hashes

Canonical text8981fb7f99d4fd77bfb6fbfc87f06358237a67a94a9ce23d14d8e457331c1d74
Markdownf807187d1450cd169d83b7fd88420ae7f6a71f78b2f27c08795b1a6dee125d53
PDF
Publication page6dc2a97e6edbe3a9ff87f63097bbd234ac0d135cc1031734895e5669e2aed42d
Manifest87891fb9988343480fe6b79c40ca5ddf64dcba57a3e2ad15c45b973aba3b9d81

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
SignatureEmgAivZR/7sd/kRhniWFq5Gz1zgf3JBqnFCQkcGBK0/Z2xa9eZ4zrRVmEdKGM03No7YU9agvqCoqgQhF7cn3Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:21.519556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051531
observed 6dc2a97e6edbe3a9ff87f63097bbd234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.503304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051531/manifest.json
observed 87891fb9988343480fe6b79c40ca5ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.485845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051531/publication.md
observed f807187d1450cd169d83b7fd88420ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.465947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051531/publication.txt
observed 8981fb7f99d4fd77bfb6fbfc87f06358...
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.