OpenTechnical

OT-2026-000023993

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000023993) never changes.

Identity and time

Publication numberOT-2026-000023993 · never reused
Internal UUID01a0ae70-aed7-7408-ab2e-7b73c09b265d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023993
StatusPUBLIC

Content hashes

Canonical textb2af4e6ab5701bda08873a95c3575d6963fb0e36d77134d858482a8d77e0a25f
Markdown378c2cad9ec5f0f80c3dbe55c08ec82721c490c73034a5924bf16959a95e6fe8
PDF
Publication page6af34f6073fbfd2e43016f369020c4c777fe1d84a9a5e9baac0a40a08abab6fa
Manifestbd135dbea6cb018554c89d9d486f367519a7247105309b77eaf1c6046a8f1c71

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
SignatureAWw/f04U54rKI2rm2kmsTlGxtV1En1Ll1AJdrFhErRq3OptI0oeXieiL21mBGh5iB02WYeOGTiN2MSXlMJbEDQ==
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

2026-09-17T11:50:45.959238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023993
observed 6af34f6073fbfd2e43016f369020c4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.938620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023993/manifest.json
observed bd135dbea6cb018554c89d9d486f3675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.919800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023993/publication.md
observed 378c2cad9ec5f0f80c3dbe55c08ec827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.897928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023993/publication.txt
observed b2af4e6ab5701bda08873a95c3575d69...
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.